import org.mule.api.annotations.Connector; //导入依赖的package包/类
@Override
@NonNull
final public Object visitClass(@NonNull ClassTree classTree, @NonNull Trees trees) {
    Object result = null;

    // Process if it's a connector class ...
    if (ClassParserUtils.contains(classTree.getModifiers().getAnnotations(), Connector.class)) {
        this.verifyConnector(classTree, trees);
        result = super.visitClass(classTree, trees);
    }
    return result;
}
 

import org.mule.api.annotations.Connector; //导入依赖的package包/类
public static boolean isConnectorAnnotation(@NonNull final AnnotationTree annotation) {
    return is(annotation, Connector.class);
}