public static void addSeparatingComma(@NotNull CompositeElement element, @NotNull ASTNode child, @NotNull TokenSet listTypes) {
    assert child.getElementType() != JavaTokenType.COMMA : child;

    scanChildren(element, child, listTypes, true);
    scanChildren(element, child, listTypes, false);
  }
public static void addSeparatingComma(@NotNull CompositeElement element, @NotNull ASTNode child, @NotNull TokenSet listTypes)