///
////interface ChainedObject {
//// values(): ChainedArray;
//// pairs(): ChainedArray;
//// extend(...sources: any[]): ChainedObject;
////
//// value(): T;
////}
////interface ChainedArray extends ChainedObject> {
////
//// extend(...sources: any[]): ChainedArray;
////}
//// /*1*/
verify.noErrors();
goTo.marker('1');
edit.insert(' ');
verify.noErrors();