Implement a Java/Kotlin client.

Clients/Java/src/main/kotlin/gay/pizza/stable/diffusion/StableDiffusionRpcClient.kt

@@ -0,0 +1,38 @@
+package gay.pizza.stable.diffusion
+
+import io.grpc.Channel
+
+@Suppress("MemberVisibilityCanBePrivate")
+class StableDiffusionRpcClient(val channel: Channel) {
+  val modelService: ModelServiceGrpc.ModelServiceStub by lazy {
+    ModelServiceGrpc.newStub(channel)
+  }
+
+  val modelServiceBlocking: ModelServiceGrpc.ModelServiceBlockingStub by lazy {
+    ModelServiceGrpc.newBlockingStub(channel)
+  }
+
+  val modelServiceFuture: ModelServiceGrpc.ModelServiceFutureStub by lazy {
+    ModelServiceGrpc.newFutureStub(channel)
+  }
+
+  val modelServiceCoroutine: ModelServiceGrpcKt.ModelServiceCoroutineStub by lazy {
+    ModelServiceGrpcKt.ModelServiceCoroutineStub(channel)
+  }
+
+  val imageGenerationService: ImageGenerationServiceGrpc.ImageGenerationServiceStub by lazy {
+    ImageGenerationServiceGrpc.newStub(channel)
+  }
+
+  val imageGenerationServiceBlocking: ImageGenerationServiceGrpc.ImageGenerationServiceBlockingStub by lazy {
+    ImageGenerationServiceGrpc.newBlockingStub(channel)
+  }
+
+  val imageGenerationServiceFuture: ImageGenerationServiceGrpc.ImageGenerationServiceFutureStub by lazy {
+    ImageGenerationServiceGrpc.newFutureStub(channel)
+  }
+
+  val imageGenerationServiceCoroutine: ImageGenerationServiceGrpcKt.ImageGenerationServiceCoroutineStub by lazy {
+    ImageGenerationServiceGrpcKt.ImageGenerationServiceCoroutineStub(channel)
+  }
+}