content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package android.service.autofill;
  
  import android.annotation.NonNull;
  import android.annotation.TestApi;
  import android.os.Parcelable;
  
  /**
   * Superclass of all validators the system understands. As this is not public all public subclasses
   * have to implement {@link Validator} again.
   *
   * @hide
   */
  @TestApi
  public abstract class InternalValidator implements Validator, Parcelable {
  
      /**
       * Decides whether the contents of the screen are valid.
       *
       * @param finder object used to find the value of a field in the screen.
       * @return {@code true} if the contents are valid, {@code false} otherwise.
       */
      public abstract boolean isValid(@NonNull ValueFinder finder);
  }
  