docs: function repeat(count) {
  	    if (count === void 0) { count = -1; }
  	    if (count === 0) {
  	        return new EmptyObservable_1.EmptyObservable();
  	    }
  	    else if (count < 0) {
  	        return this.lift(new RepeatOperator(-1, this));
  	    }
  	    else {
  	        return this.lift(new RepeatOperator(count - 1, this));
  	    }
  	}