[4.x] Avoid exposing internal functions and properties (#8137)

* Avoid exposing internal functions and properties

This is a backport for 4.x branch from f408411.

* More internal modifiers

Author: Goooler

mockwebserver/src/main/kotlin/okhttp3/mockwebserver/MockResponse.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.mockwebserver
 
 import java.util.concurrent.TimeUnit

mockwebserver/src/main/kotlin/okhttp3/mockwebserver/MockWebServer.kt

@@ -15,6 +15,7 @@
  * limitations under the License.
  */
 
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.mockwebserver
 
 import java.io.Closeable

okcurl/src/main/kotlin/okhttp3/curl/Main.kt

@@ -36,7 +36,6 @@ import okhttp3.Protocol
 import okhttp3.Request
 import okhttp3.RequestBody.Companion.toRequestBody
 import okhttp3.curl.Main.Companion.NAME
-import okhttp3.internal.format
 import okhttp3.internal.http.StatusLine
 import okhttp3.internal.http2.Http2
 import okhttp3.internal.platform.Platform
@@ -48,6 +47,7 @@ import picocli.CommandLine.Command
 import picocli.CommandLine.IVersionProvider
 import picocli.CommandLine.Option
 import picocli.CommandLine.Parameters
+import java.util.Locale
 
 @Command(name = NAME, description = ["A curl for the next-generation web."],
     mixinStandardHelpOptions = true, versionProvider = Main.VersionProvider::class)
@@ -273,7 +273,7 @@ class Main : Runnable {
           level = Level.FINE
           formatter = object : SimpleFormatter() {
             override fun format(record: LogRecord): String {
-              return format("%s%n", record.message)
+              return "%s%n".format(Locale.US, record.message)
             }
           }
         })
@@ -289,9 +289,9 @@ class Main : Runnable {
             override fun format(record: LogRecord): String {
               val parameters = record.parameters
               if (parameters != null) {
-                return format("%s%n%s%n", record.message, record.parameters.first())
+                return "%s%n%s%n".format(Locale.US, record.message, record.parameters.first())
               } else {
-                return format("%s%n", record.message)
+                return "%s%n".format(Locale.US, record.message)
               }
             }
           }

okhttp-sse/src/main/kotlin/okhttp3/internal/sse/RealEventSource.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.internal.sse
 
 import java.io.IOException

okhttp-sse/src/main/kotlin/okhttp3/internal/sse/ServerSentEventReader.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.internal.sse
 
 import java.io.IOException

okhttp-tls/src/main/kotlin/okhttp3/tls/HandshakeCertificates.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.tls
 
 import java.security.SecureRandom

okhttp-tls/src/main/kotlin/okhttp3/tls/HeldCertificate.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.tls
 
 import java.math.BigInteger

okhttp-tls/src/main/kotlin/okhttp3/tls/internal/InsecureExtendedTrustManager.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3.tls.internal
 
 import java.net.Socket

okhttp-urlconnection/src/main/kotlin/okhttp3/JavaNetCookieJar.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package okhttp3
 
 import java.io.IOException