			function oneTimeLiteralWatchDelegate(
				scope,
				listener,
				objectEquality,
				parsedExpression
			) {
				var unwatch, lastValue;
				unwatch = scope.$watch(
					function oneTimeWatch(scope) {
						return parsedExpression(scope);
					},
					function oneTimeListener(value, old, scope) {
						lastValue = value;
						if (isFunction(listener)) {
							listener(value, old, scope);
						}
						if (isAllDefined(value)) {
							scope.$$postDigest(function() {
								if (isAllDefined(lastValue)) unwatch();
							});
						}
					},
					objectEquality
				);

				return unwatch;

				function isAllDefined(value) {
					var allDefined = true;
					forEach(value, function(val) {
						if (!isDefined(val)) allDefined = false;
					});
					return allDefined;
				}
			}
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.