diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 00000000..2e921232
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,6 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <option name="LINE_SEPARATOR" value="&#10;" />
+    <option name="RIGHT_MARGIN" value="180" />
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 00000000..79ee123c
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/copyright/MPL.xml b/.idea/copyright/MPL.xml
new file mode 100644
index 00000000..83624274
--- /dev/null
+++ b/.idea/copyright/MPL.xml
@@ -0,0 +1,7 @@
+<component name="CopyrightManager">
+  <copyright>
+    <option name="allowReplaceRegexp" value="Copyright" />
+    <option name="notice" value="Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.&#10;&#10;This Source Code Form is subject to the terms of the Mozilla Public&#10;License, v. 2.0. If a copy of the MPL was not distributed with this&#10;file, You can obtain one at https://mozilla.org/MPL/2.0/.&#10;&#10;SPDX-License-Identifier: MPL-2.0" />
+    <option name="myName" value="MPL" />
+  </copyright>
+</component>
\ No newline at end of file
diff --git a/.idea/copyright/profiles_settings.xml b/.idea/copyright/profiles_settings.xml
new file mode 100644
index 00000000..f95e14ed
--- /dev/null
+++ b/.idea/copyright/profiles_settings.xml
@@ -0,0 +1,14 @@
+<component name="CopyrightManager">
+  <settings default="MPL">
+    <LanguageOptions name="Properties">
+      <option name="fileTypeOverride" value="1" />
+    </LanguageOptions>
+    <LanguageOptions name="Shell Script">
+      <option name="fileTypeOverride" value="1" />
+    </LanguageOptions>
+    <LanguageOptions name="XML">
+      <option name="fileTypeOverride" value="1" />
+      <option name="prefixLines" value="false" />
+    </LanguageOptions>
+  </settings>
+</component>
\ No newline at end of file
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 00000000..b10fe724
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,2 @@
+You can view the list of people who have contributed to the code base in the version control history:
+https://github.com/bitfireAT/dav4jvm/graphs/contributors
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandler.kt b/src/main/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandler.kt
index 25b654af..2d72badc 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandler.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandler.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/CallbackInterfaces.kt b/src/main/kotlin/at/bitfire/dav4jvm/CallbackInterfaces.kt
index a781a70d..68ba2cba 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/CallbackInterfaces.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/CallbackInterfaces.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/DavAddressBook.kt b/src/main/kotlin/at/bitfire/dav4jvm/DavAddressBook.kt
index cc460f77..9042257a 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/DavAddressBook.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/DavAddressBook.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/DavCalendar.kt b/src/main/kotlin/at/bitfire/dav4jvm/DavCalendar.kt
index 68abc6a7..7a8a176a 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/DavCalendar.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/DavCalendar.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/DavCollection.kt b/src/main/kotlin/at/bitfire/dav4jvm/DavCollection.kt
index bfa29f0a..b2407dca 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/DavCollection.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/DavCollection.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/DavResource.kt b/src/main/kotlin/at/bitfire/dav4jvm/DavResource.kt
index ed30fa9b..660c06ae 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/DavResource.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/DavResource.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/Error.kt b/src/main/kotlin/at/bitfire/dav4jvm/Error.kt
index 43f5ba74..6a818e81 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/Error.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/Error.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/HttpUtils.kt b/src/main/kotlin/at/bitfire/dav4jvm/HttpUtils.kt
index 268f5ae1..f6069a3c 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/HttpUtils.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/HttpUtils.kt
@@ -1,11 +1,16 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
 
+import at.bitfire.dav4jvm.HttpUtils.httpDateFormat
 import okhttp3.HttpUrl
 import okhttp3.Response
 import java.time.Instant
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/PropStat.kt b/src/main/kotlin/at/bitfire/dav4jvm/PropStat.kt
index 801f885b..ed1d655b 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/PropStat.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/PropStat.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/Property.kt b/src/main/kotlin/at/bitfire/dav4jvm/Property.kt
index e03a503e..7b0452e5 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/Property.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/Property.kt
@@ -1,17 +1,21 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
 
 import at.bitfire.dav4jvm.exception.InvalidPropertyException
+import org.xmlpull.v1.XmlPullParser
 import java.io.Serializable
 import java.util.LinkedList
 import java.util.logging.Level
 import java.util.logging.Logger
-import org.xmlpull.v1.XmlPullParser
 
 /**
  * Represents a WebDAV property.
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/PropertyFactory.kt b/src/main/kotlin/at/bitfire/dav4jvm/PropertyFactory.kt
index 1deaaac2..b17617d7 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/PropertyFactory.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/PropertyFactory.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/PropertyRegistry.kt b/src/main/kotlin/at/bitfire/dav4jvm/PropertyRegistry.kt
index ff6ebbd2..cae12799 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/PropertyRegistry.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/PropertyRegistry.kt
@@ -1,22 +1,59 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
 
-import at.bitfire.dav4jvm.property.caldav.*
+import at.bitfire.dav4jvm.property.caldav.CalendarColor
+import at.bitfire.dav4jvm.property.caldav.CalendarData
+import at.bitfire.dav4jvm.property.caldav.CalendarDescription
+import at.bitfire.dav4jvm.property.caldav.CalendarHomeSet
+import at.bitfire.dav4jvm.property.caldav.CalendarProxyReadFor
+import at.bitfire.dav4jvm.property.caldav.CalendarProxyWriteFor
+import at.bitfire.dav4jvm.property.caldav.CalendarTimezone
+import at.bitfire.dav4jvm.property.caldav.CalendarTimezoneId
+import at.bitfire.dav4jvm.property.caldav.CalendarUserAddressSet
+import at.bitfire.dav4jvm.property.caldav.GetCTag
+import at.bitfire.dav4jvm.property.caldav.ScheduleTag
+import at.bitfire.dav4jvm.property.caldav.Source
+import at.bitfire.dav4jvm.property.caldav.SupportedCalendarComponentSet
+import at.bitfire.dav4jvm.property.caldav.SupportedCalendarData
 import at.bitfire.dav4jvm.property.carddav.AddressData
 import at.bitfire.dav4jvm.property.carddav.AddressbookDescription
 import at.bitfire.dav4jvm.property.carddav.AddressbookHomeSet
 import at.bitfire.dav4jvm.property.carddav.SupportedAddressData
-import at.bitfire.dav4jvm.property.push.*
-import at.bitfire.dav4jvm.property.webdav.*
-import java.util.logging.Level
-import java.util.logging.Logger
+import at.bitfire.dav4jvm.property.push.PushMessage
+import at.bitfire.dav4jvm.property.push.PushRegister
+import at.bitfire.dav4jvm.property.push.PushTransports
+import at.bitfire.dav4jvm.property.push.Subscription
+import at.bitfire.dav4jvm.property.push.Topic
+import at.bitfire.dav4jvm.property.push.WebPushSubscription
+import at.bitfire.dav4jvm.property.webdav.AddMember
+import at.bitfire.dav4jvm.property.webdav.CreationDate
+import at.bitfire.dav4jvm.property.webdav.CurrentUserPrincipal
+import at.bitfire.dav4jvm.property.webdav.CurrentUserPrivilegeSet
+import at.bitfire.dav4jvm.property.webdav.DisplayName
+import at.bitfire.dav4jvm.property.webdav.GetContentLength
+import at.bitfire.dav4jvm.property.webdav.GetContentType
+import at.bitfire.dav4jvm.property.webdav.GetETag
+import at.bitfire.dav4jvm.property.webdav.GetLastModified
+import at.bitfire.dav4jvm.property.webdav.GroupMembership
+import at.bitfire.dav4jvm.property.webdav.Owner
+import at.bitfire.dav4jvm.property.webdav.QuotaAvailableBytes
+import at.bitfire.dav4jvm.property.webdav.QuotaUsedBytes
+import at.bitfire.dav4jvm.property.webdav.ResourceType
+import at.bitfire.dav4jvm.property.webdav.SupportedReportSet
+import at.bitfire.dav4jvm.property.webdav.SyncToken
 import org.xmlpull.v1.XmlPullParser
 import org.xmlpull.v1.XmlPullParserException
+import java.util.logging.Level
+import java.util.logging.Logger
 
 object PropertyRegistry {
 
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/QuotedStringUtils.kt b/src/main/kotlin/at/bitfire/dav4jvm/QuotedStringUtils.kt
index e3a516e8..e95514c7 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/QuotedStringUtils.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/QuotedStringUtils.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/Response.kt b/src/main/kotlin/at/bitfire/dav4jvm/Response.kt
index 48547469..6a474ef8 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/Response.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/Response.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/UrlUtils.kt b/src/main/kotlin/at/bitfire/dav4jvm/UrlUtils.kt
index 84876bf6..029ad643 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/UrlUtils.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/UrlUtils.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/XmlReader.kt b/src/main/kotlin/at/bitfire/dav4jvm/XmlReader.kt
index ebaf70db..019554b1 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/XmlReader.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/XmlReader.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm
 
 import at.bitfire.dav4jvm.XmlUtils.propertyName
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/XmlUtils.kt b/src/main/kotlin/at/bitfire/dav4jvm/XmlUtils.kt
index 454fec7b..035261fd 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/XmlUtils.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/XmlUtils.kt
@@ -1,11 +1,16 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
 
+import at.bitfire.dav4jvm.XmlUtils.FEATURE_RELAXED
 import at.bitfire.dav4jvm.exception.DavException
 import org.xmlpull.v1.XmlPullParser
 import org.xmlpull.v1.XmlPullParserException
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/ConflictException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/ConflictException.kt
index 2477a77b..03e52c46 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/ConflictException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/ConflictException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/DavException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/DavException.kt
index 78a81a58..19e8042c 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/DavException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/DavException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
@@ -9,6 +13,7 @@ package at.bitfire.dav4jvm.exception
 import at.bitfire.dav4jvm.Error
 import at.bitfire.dav4jvm.XmlUtils
 import at.bitfire.dav4jvm.XmlUtils.propertyName
+import at.bitfire.dav4jvm.exception.DavException.Companion.MAX_EXCERPT_SIZE
 import okhttp3.MediaType
 import okhttp3.Response
 import okio.Buffer
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/ForbiddenException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/ForbiddenException.kt
index 23580a82..884cc004 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/ForbiddenException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/ForbiddenException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/GoneException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/GoneException.kt
index 01460f51..0cbd9b3b 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/GoneException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/GoneException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/HttpException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/HttpException.kt
index 97422fa3..08534a49 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/HttpException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/HttpException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/InvalidPropertyException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/InvalidPropertyException.kt
index fa626f7a..bdda00e5 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/InvalidPropertyException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/InvalidPropertyException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/NotFoundException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/NotFoundException.kt
index 12775300..d04c0ac9 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/NotFoundException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/NotFoundException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/PreconditionFailedException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/PreconditionFailedException.kt
index 9e980e67..67607369 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/PreconditionFailedException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/PreconditionFailedException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableException.kt
index 37e91679..0665fc07 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/exception/UnauthorizedException.kt b/src/main/kotlin/at/bitfire/dav4jvm/exception/UnauthorizedException.kt
index cd3d0ebf..98a61837 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/exception/UnauthorizedException.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/exception/UnauthorizedException.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarColor.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarColor.kt
index 52588fa0..996fc64c 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarColor.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarColor.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarData.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarData.kt
index b287c2f2..55867f93 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarData.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarData.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarDescription.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarDescription.kt
index 2afc4d8e..2d5cf96b 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarDescription.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarDescription.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarHomeSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarHomeSet.kt
index ee9b609b..faa47fef 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarHomeSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarHomeSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyReadFor.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyReadFor.kt
index 5a33c5c4..4f9ce632 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyReadFor.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyReadFor.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyWriteFor.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyWriteFor.kt
index cc0beb78..6cbb8033 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyWriteFor.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyWriteFor.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezone.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezone.kt
index 6ef66f83..4475cbbb 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezone.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezone.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezoneId.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezoneId.kt
index 327ec0d4..d8a91b27 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezoneId.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezoneId.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarUserAddressSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarUserAddressSet.kt
index 7a34e6fc..c1b002f4 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarUserAddressSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarUserAddressSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/GetCTag.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/GetCTag.kt
index 13204b6b..14d10673 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/GetCTag.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/GetCTag.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/MaxResourceSize.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/MaxResourceSize.kt
index cec5afc0..334d4b33 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/MaxResourceSize.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/MaxResourceSize.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/ScheduleTag.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/ScheduleTag.kt
index e1a254f8..3aaaa172 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/ScheduleTag.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/ScheduleTag.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/Source.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/Source.kt
index f7620df9..8231c307 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/Source.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/Source.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarComponentSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarComponentSet.kt
index c906007a..eb977b42 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarComponentSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarComponentSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarData.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarData.kt
index 7b1e821d..40401c9e 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarData.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarData.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/namespace.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/namespace.kt
index 3caf67d1..1f84362d 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/namespace.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/caldav/namespace.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.caldav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressData.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressData.kt
index 7cc77890..08260790 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressData.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressData.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookDescription.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookDescription.kt
index a5753581..09d4d83e 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookDescription.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookDescription.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookHomeSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookHomeSet.kt
index c7be0bdc..7ca884d8 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookHomeSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookHomeSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/MaxResourceSize.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/MaxResourceSize.kt
index 53e51c2d..738902bf 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/MaxResourceSize.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/MaxResourceSize.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/SupportedAddressData.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/SupportedAddressData.kt
index 78b79dea..e30960bb 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/SupportedAddressData.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/SupportedAddressData.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/namespace.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/namespace.kt
index d22c63b6..c5f98463 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/namespace.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/carddav/namespace.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.carddav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/AuthSecret.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/AuthSecret.kt
index e4297097..aa925ea5 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/AuthSecret.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/AuthSecret.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/ContentUpdate.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/ContentUpdate.kt
index 70e2aa94..0bafa8d2 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/ContentUpdate.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/ContentUpdate.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PropertyUpdate.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PropertyUpdate.kt
index 12ae46ae..ae2411c7 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PropertyUpdate.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PropertyUpdate.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushMessage.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushMessage.kt
index 45f2670d..baa03b00 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushMessage.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushMessage.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushRegister.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushRegister.kt
index 8b9dc5cc..0aa73c76 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushRegister.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushRegister.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
@@ -11,8 +15,8 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.PropertyFactory
 import at.bitfire.dav4jvm.XmlReader
 import at.bitfire.dav4jvm.XmlUtils.propertyName
-import java.time.Instant
 import org.xmlpull.v1.XmlPullParser
+import java.time.Instant
 
 /**
  * Represents a [NS_WEBDAV_PUSH]`:push-register` property.
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushResource.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushResource.kt
index 2b2b800c..aa17f6d4 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushResource.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushResource.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransport.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransport.kt
index ff0c5dcf..c0a774bb 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransport.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransport.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransports.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransports.kt
index 8f25d2a5..20579052 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransports.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/PushTransports.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Subscription.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Subscription.kt
index b88967a0..4a56cf69 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Subscription.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Subscription.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/SubscriptionPublicKey.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/SubscriptionPublicKey.kt
index 1f072b7f..7a215f98 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/SubscriptionPublicKey.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/SubscriptionPublicKey.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/SupportedTriggers.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/SupportedTriggers.kt
index 7a9a0720..277c7b13 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/SupportedTriggers.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/SupportedTriggers.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Topic.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Topic.kt
index 23dc8655..440af99e 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Topic.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Topic.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Trigger.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Trigger.kt
index 551db277..30d8e51d 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/Trigger.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/Trigger.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/VapidPublicKey.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/VapidPublicKey.kt
index 6c5c9e3e..09da8692 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/VapidPublicKey.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/VapidPublicKey.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPush.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPush.kt
index b99cecb7..0179a242 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPush.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPush.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPushSubscription.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPushSubscription.kt
index d979b5cb..b4e25867 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPushSubscription.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/WebPushSubscription.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/push/namespace.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/push/namespace.kt
index 9ff12144..f4a3bd94 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/push/namespace.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/push/namespace.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.push
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/AddMember.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/AddMember.kt
index 34eaeb24..beccd4ce 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/AddMember.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/AddMember.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CreationDate.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CreationDate.kt
index f7ed594f..14aaf5dd 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CreationDate.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CreationDate.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrincipal.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrincipal.kt
index 4b44870e..7aa1d308 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrincipal.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrincipal.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrivilegeSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrivilegeSet.kt
index b5e83496..d320db63 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrivilegeSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/CurrentUserPrivilegeSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Depth.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Depth.kt
index a62a94cb..b8e897e1 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Depth.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Depth.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.webdav
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/DisplayName.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/DisplayName.kt
index d067cfe7..09875cfb 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/DisplayName.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/DisplayName.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentLength.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentLength.kt
index 2cb599a7..dbc9a51c 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentLength.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentLength.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentType.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentType.kt
index 62c3433d..71ca6199 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentType.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetContentType.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetETag.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetETag.kt
index fca84e72..ed9b84b5 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetETag.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetETag.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetLastModified.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetLastModified.kt
index abd22eb8..2bdd3316 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetLastModified.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GetLastModified.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
@@ -9,8 +13,8 @@ package at.bitfire.dav4jvm.property.webdav
 import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.PropertyFactory
 import at.bitfire.dav4jvm.XmlReader
-import java.time.Instant
 import org.xmlpull.v1.XmlPullParser
+import java.time.Instant
 
 data class GetLastModified(
     val lastModified: Instant?
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GroupMembership.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GroupMembership.kt
index 7e36bfb4..7d21bfbd 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GroupMembership.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/GroupMembership.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/HrefListProperty.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/HrefListProperty.kt
index d0048aff..c28e0413 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/HrefListProperty.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/HrefListProperty.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Owner.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Owner.kt
index e7ada5e6..2b5d2e27 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Owner.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/Owner.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaAvailableBytes.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaAvailableBytes.kt
index e8184bb7..cf3ed2e6 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaAvailableBytes.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaAvailableBytes.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaUsedBytes.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaUsedBytes.kt
index 603192b4..1e950769 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaUsedBytes.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/QuotaUsedBytes.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/ResourceType.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/ResourceType.kt
index e41bdc62..b2a2e9d8 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/ResourceType.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/ResourceType.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SupportedReportSet.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SupportedReportSet.kt
index cf390c00..2be1b84c 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SupportedReportSet.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SupportedReportSet.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncLevel.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncLevel.kt
index a750721b..8fdbad09 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncLevel.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncLevel.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.webdav
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncToken.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncToken.kt
index 0138ecb6..4685ba0a 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncToken.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/SyncToken.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/namespace.kt b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/namespace.kt
index 4f1107f1..6659a63a 100644
--- a/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/namespace.kt
+++ b/src/main/kotlin/at/bitfire/dav4jvm/property/webdav/namespace.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.property.webdav
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandlerTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandlerTest.kt
index 9cc858a6..00185e46 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandlerTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/BasicDigestAuthHandlerTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
@@ -11,7 +15,6 @@ import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.Protocol
 import okhttp3.Request
 import okhttp3.RequestBody.Companion.toRequestBody
-import okhttp3.Response
 import okhttp3.Response.Builder
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/DavCalendarTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/DavCalendarTest.kt
index bac958c9..46726130 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/DavCalendarTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/DavCalendarTest.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm
 
 import okhttp3.OkHttpClient
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/DavCollectionTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/DavCollectionTest.kt
index c532cbd8..e6623030 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/DavCollectionTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/DavCollectionTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/DavResourceTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/DavResourceTest.kt
index 1e3727a4..fdc73e9a 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/DavResourceTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/DavResourceTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
@@ -13,7 +17,6 @@ import at.bitfire.dav4jvm.property.webdav.DisplayName
 import at.bitfire.dav4jvm.property.webdav.GetContentType
 import at.bitfire.dav4jvm.property.webdav.GetETag
 import at.bitfire.dav4jvm.property.webdav.ResourceType
-import java.net.HttpURLConnection
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
@@ -31,6 +34,7 @@ import org.junit.Assert.assertTrue
 import org.junit.Assert.fail
 import org.junit.Before
 import org.junit.Test
+import java.net.HttpURLConnection
 
 class DavResourceTest {
 
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/ErrorTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/ErrorTest.kt
index 8fc47c6b..04ff6bf8 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/ErrorTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/ErrorTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/HttpUtilsTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/HttpUtilsTest.kt
index a4d089d6..90068279 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/HttpUtilsTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/HttpUtilsTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/PropertyTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/PropertyTest.kt
index 6ec8bf6f..6da256b7 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/PropertyTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/PropertyTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/QuotedStringUtilsTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/QuotedStringUtilsTest.kt
index 7e7aa6c6..62a22ffa 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/QuotedStringUtilsTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/QuotedStringUtilsTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/UrlUtilsTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/UrlUtilsTest.kt
index 4816481e..c468ccc4 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/UrlUtilsTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/UrlUtilsTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/XmlReaderTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/XmlReaderTest.kt
index 04c5647d..a3f3b106 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/XmlReaderTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/XmlReaderTest.kt
@@ -1,8 +1,20 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm
 
 import okhttp3.MediaType
 import okhttp3.MediaType.Companion.toMediaType
-import org.junit.Assert.*
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
 import org.junit.Test
 import org.xmlpull.v1.XmlPullParser
 import java.io.StringReader
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/exception/DavExceptionTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/exception/DavExceptionTest.kt
index 94a8adf0..a0385cf4 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/exception/DavExceptionTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/exception/DavExceptionTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/exception/HttpExceptionTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/exception/HttpExceptionTest.kt
index f66a4cf1..b2298a7b 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/exception/HttpExceptionTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/exception/HttpExceptionTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableExceptionTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableExceptionTest.kt
index b8a51731..c214d321 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableExceptionTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/exception/ServiceUnavailableExceptionTest.kt
@@ -1,7 +1,11 @@
 /*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
  */
 
 package at.bitfire.dav4jvm.exception
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/property/CalendarDescriptionTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/property/CalendarDescriptionTest.kt
index 3098f6b7..f3edb9cf 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/property/CalendarDescriptionTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/property/CalendarDescriptionTest.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property
 
 import at.bitfire.dav4jvm.property.caldav.CalendarDescription
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/property/GetETagTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/property/GetETagTest.kt
index 259a8698..4253ea65 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/property/GetETagTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/property/GetETagTest.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property
 
 import at.bitfire.dav4jvm.property.webdav.GetETag
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/property/OwnerTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/property/OwnerTest.kt
index 3f23983b..e5b5738a 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/property/OwnerTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/property/OwnerTest.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property
 
 import at.bitfire.dav4jvm.property.webdav.Owner
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/property/PropertyTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/property/PropertyTest.kt
index 29d88de1..04427f85 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/property/PropertyTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/property/PropertyTest.kt
@@ -1,3 +1,13 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property
 
 import at.bitfire.dav4jvm.Property
diff --git a/src/test/kotlin/at/bitfire/dav4jvm/property/push/WebPushTest.kt b/src/test/kotlin/at/bitfire/dav4jvm/property/push/WebPushTest.kt
index c94e7fbd..83f2bdbf 100644
--- a/src/test/kotlin/at/bitfire/dav4jvm/property/push/WebPushTest.kt
+++ b/src/test/kotlin/at/bitfire/dav4jvm/property/push/WebPushTest.kt
@@ -1,11 +1,21 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 package at.bitfire.dav4jvm.property.push
 
 import at.bitfire.dav4jvm.property.PropertyTest
-import java.time.Instant
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNotNull
 import org.junit.Assert.assertTrue
 import org.junit.Test
+import java.time.Instant
 
 class WebPushTest: PropertyTest() {