code: protected void setArrayEnd(String arrayEnd) {
          if (arrayEnd == null) {
              arrayEnd = StringUtils.EMPTY;
          }
          this.arrayEnd = arrayEnd;
      }
docs: <p>Sets the array end text.</p>
  
  <p><code>null</code> is accepted, but will be converted to
  an empty String.</p>
  
  @param arrayEnd  the new array end text