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.Nullable;
  import android.annotation.TestApi;
  import android.os.Parcelable;
  import android.view.autofill.AutofillValue;
  
  /**
   * Superclass of all sanitizers the system understands. As this is not public all public subclasses
   * have to implement {@link Sanitizer} again.
   *
   * @hide
   */
  @TestApi
  public abstract class InternalSanitizer implements Sanitizer, Parcelable {
  
      /**
       * Sanitizes an {@link AutofillValue}.
       *
       * @return sanitized value or {@code null} if value could not be sanitized (for example: didn't
       * match regex, it's an invalid type, regex failed, etc).
       */
      @Nullable
      public abstract AutofillValue sanitize(@NonNull AutofillValue value);
  }
  