private static int requiresFlags(int access) {
    int flags = 0;
    if (isSet(access, Opcodes.ACC_TRANSITIVE)) flags |= ModifierFlags.TRANSITIVE_MASK;
    if (isSet(access, Opcodes.ACC_STATIC_PHASE)) flags |= ModifierFlags.STATIC_MASK;
    return flags;
  }
private static int requiresFlags(int access)