code: public void setValueDefinitionMatchOperator(
              ValueDefinitionMatchOperator valueDefinitionMatchOperator) {
          if (valueDefinitionMatchOperator == null) {
              this.valueDefinitionMatchOperator =
                      ValueDefinitionMatchOperator.ANY;
          } else {
              this.valueDefinitionMatchOperator = valueDefinitionMatchOperator;
          }
      }
docs: Sets the operator that is applied to each interval's low-level
  abstraction values to determine the value to set for this abstraction. If
  <code>null</code>, the setting will revert to the default (ANY).
  
  @param valueDefinitionMatchOperator the match operator to set, a
  {@link ValueDefinitionMatchOperator}