public static LinkedListTree newDefaultXMLNamespace(LinkedListTree namespace) {
LinkedListTree ast = ASTUtils.newImaginaryAST(AS3Parser.DEFAULT_XML_NAMESPACE);
ast.appendToken(TokenBuilder.newDefault());
ast.appendToken(TokenBuilder.newSpace());
ast.appendToken(TokenBuilder.newXml());
ast.appendToken(TokenBuilder.newSpace());
ast.appendToken(TokenBuilder.newNamespace());
ast.appendToken(TokenBuilder.newSpace());
ast.appendToken(TokenBuilder.newAssign());
ast.appendToken(TokenBuilder.newSpace());
ast.addChildWithTokens(namespace);