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 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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 */
package org.apache.drill.exec.vector.complex;

public interface RepeatedVariableWidthVectorLike {
  /**
   * Allocate a new memory space for this vector.  Must be called prior to using the ValueVector.
   *
   * @param totalBytes   Desired size of the underlying data buffer.
   * @param parentValueCount   Number of separate repeating groupings.
   * @param childValueCount   Number of supported values in the vector.
   */
  void allocateNew(int totalBytes, int parentValueCount, int childValueCount);

  /**
   * Provide the maximum amount of variable width bytes that can be stored int his vector.
   * @return
   */
  int getByteCapacity();
}
