/**
   * Removes the specified {@link org.eclipse.emf.mapping.Mapping}.
   *
   * @param theMappingColumn the <code>Mapping</code> input
   * @param theTreeNode the <code>Mapping</code> output
   * @throws IllegalArgumentException if either input parameter is <code>null</code>
   */
  public void removeMappingClassColumnLocation(
      MappingClassColumn theMappingColumn, EObject theTreeNode) {

    CoreArgCheck.isNotNull(theMappingColumn);
    CoreArgCheck.isNotNull(theTreeNode);

    mappingLocator.removeMappingClassColumnLocation(theMappingColumn, theTreeNode);
  }