Convert more stuff to Kotlin

server/core/src/main/java/dev/slimevr/bridge/BridgeThread.kt

@@ -0,0 +1,4 @@
+package dev.slimevr.bridge
+
+@Retention(AnnotationRetention.SOURCE)
+annotation class BridgeThread

server/core/src/main/java/dev/slimevr/protocol/rpc/serial/RPCProvisioningHandler.kt

@@ -25,7 +25,7 @@ class RPCProvisioningHandler(var rpcHandler: RPCHandler, var api: ProtocolAPI) :
 		val req = messageHeader
 			.message(StartWifiProvisioningRequest()) as StartWifiProvisioningRequest?
 		if (req == null) return
-		this.api.server.provisioningHandler.start(req.ssid(), req.password(), req.port())
+		this.api.server.provisioningHandler.start(req.ssid() ?: error("expected ssid"), req.password() ?: error("expected password"), req.port())
 		conn.context.useProvisioning = true
 	}
 

server/core/src/main/java/dev/slimevr/protocol/rpc/serial/RPCSerialHandler.kt

@@ -43,7 +43,7 @@ class RPCSerialHandler(var rpcHandler: RPCHandler, var api: ProtocolAPI) : Seria
 		)
 	}
 
-	override fun onSerialLog(str: String, server: Boolean) {
+	override fun onSerialLog(str: String, fromServer: Boolean) {
 		val fbb = FlatBufferBuilder(32)
 
 		val logOffset = fbb.createString(str)