downgrade to Java 8

Author: jumpingpxl

build.gradle.kts

@@ -52,14 +52,14 @@ subprojects {
 
     dependencies {
         compileOnly("org.jetbrains:annotations:22.0.0")
-        compileOnly("net.labymod.serverapi:core:0.1.12")
+        compileOnly("net.labymod.serverapi:core:0.1.13")
         compileOnly("com.google.auto.service:auto-service:1.1.1")
         annotationProcessor("com.google.auto.service:auto-service:1.1.1")
     }
 
     java {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     fun adjustArchiveFileName(property: Property<String>) {

voicechat/src/main/java/net/labymod/serverapi/integration/voicechat/model/VoiceChatMute.java

@@ -99,10 +99,11 @@ public boolean equals(Object o) {
       return true;
     }
 
-    if (!(o instanceof VoiceChatMute that)) {
+    if (!(o instanceof VoiceChatMute)) {
       return false;
     }
 
+    VoiceChatMute that = (VoiceChatMute) o;
     return this.end == that.end && Objects.equals(this.uniqueId, that.uniqueId)
         && Objects.equals(this.reason, that.reason);
   }