src/org/nutz/repo/org/objectweb/asm/MethodVisitor.java
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        if (mv != null) {
            return mv.visitAnnotation(desc, visible);
        }
        return null;
    }
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        if (mv != null) {
            return mv.visitAnnotation(desc, visible);
        }
        return null;
    }
Visits an annotation of this method.

@param desc
the class descriptor of the annotation class.
@param visible
<tt>true</tt> if the annotation is visible at runtime.
@return a visitor to visit the annotation values, or <tt>null</tt> if
this visitor is not interested in visiting this annotation.