public TreeElement createContentLeafElement(CharSequence leafText) {
    if (myContentElementType instanceof ILazyParseableElementType) {
      return ASTFactory.lazy((ILazyParseableElementType)myContentElementType, leafText);
    }
    return ASTFactory.leaf(myContentElementType, leafText);
  }
public TreeElement createContentLeafElement(CharSequence leafText)