package com.googlecode.jsonrpc4j.util; import java.util.ArrayList; import java.util.Collection; @SuppressWarnings("unused") public interface FakeServiceInterface { void doSomething(); int returnPrimitiveInt(int arg); CustomClass returnCustomClass(int arg1, String arg2); void throwSomeException(String message); class CustomClass { public final int integer; public final String string; public final Collection<String> list = new ArrayList<>(); public CustomClass() { this(0, ""); } CustomClass(final int integer, final String string) { this.integer = integer; this.string = string; } } }