code: void checkMethodRef(ClassFile cf,
                          String clname,
                          CONSTANT_NameAndType_info nti,
                          String msgKey) throws ConstantPoolException {
          String name = nti.getName();
          String type = nti.getType();
          clname = nameFromRefType(clname);
          if (clname != null) {
              clname = resolveMember(cf, clname, name, type, true, true);
              DeprData dd = db.getMethodDeprecated(clname, name, type);
              if (dd != null) {
                  printMethod(msgKey, cf, clname, name, type, dd.isForRemoval());
              }
          }
      }
docs: Checks methods referred to from the constant pool.
  
  @param cf the ClassFile of this class
  @param clname the class name
  @param nti the NameAndType_info from a MethodRef or InterfaceMethodRef entry
  @param msgKey message key for localization
  @throws ConstantPoolException if a constant pool entry cannot be found