import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
<BUG>import java.nio.charset.Charset;
import java.util.LinkedHashSet;</BUG>
import java.util.List;
import java.util.Set;
@Singleton

import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
@Singleton
