Function applyToParameterTypes

test/fixtures/snapshot/typescript.js:68001–68021

(source, target, callback)

            });
        }
        function applyToParameterTypes(source, target, callback) {
            var sourceCount = getParameterCount(source);
            var targetCount = getParameterCount(target);
            var sourceRestType = getEffectiveRestType(source);
            var targetRestType = getEffectiveRestType(target);
            var targetNonRestCount = targetRestType ? targetCount - 1 : targetCount;
            var paramCount = sourceRestType ? targetNonRestCount : Math.min(sourceCount, targetNonRestCount);
            var sourceThisType = getThisTypeOfSignature(source);
            if (sourceThisType) {
                var targetThisType = getThisTypeOfSignature(target);
                if (targetThisType) {
                    callback(sourceThisType, targetThisType);
                }
            }
            for (var i = 0; i < paramCount; i++) {
                callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i));
            }
            if (targetRestType) {
                callback(getRestTypeAtPosition(source, paramCount), targetRestType);
            }
        }
        function applyToReturnTypes(source, target, callback) {
            var sourceTypePredicate = getTypePredicateOfSignature(source);
            var targetTypePredicate = getTypePredicateOfSignature(target);