content: /*
   * Copyright (C) 2007 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 com.taobao.android.dx.cf.iface;
  
  /**
   * Interface for lists of fields.
   */
  public interface FieldList
  {
      /**
       * Get whether this instance is mutable. Note that the
       * {@code FieldList} interface itself doesn't provide any means
       * of mutation, but that doesn't mean that there isn't a non-interface
       * way of mutating an instance.
       *
       * @return {@code true} iff this instance is somehow mutable
       */
      public boolean isMutable();
  
      /**
       * Get the number of fields in the list.
       *
       * @return the size
       */
      public int size();
  
      /**
       * Get the {@code n}th field.
       *
       * @param n {@code n >= 0, n < size();} which field
       * @return {@code non-null;} the field in question
       */
      public Field get(int n);
  }
  