* @param visibility the visibility flag for the given method.
*/
private void addMethodIfExist(DocEnv env, ClassSymbol def, String methodName) {
Names names = def.name.table.names;
for (Scope.Entry e = def.members().lookup(names.fromString(methodName)); e.scope != null; e = e.next()) {
if (e.sym.kind == Kinds.MTH) {
MethodSymbol md = (MethodSymbol)e.sym;
if ((md.flags() & Flags.STATIC) == 0) {
/*
* WARNING: not robust if unqualifiedMethodName is overloaded