private void setSize(int size) {
    this.size = (byte) (size & 0xff);
  }
Appends the specified element to the end of this array. If the array is full, creates a new
array with new capacity = old capacity + 5

@param e element to be appended to this list
@return <tt>true</tt> (as specified by {@link Collection#add})
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/IndexElemArray.java