declare namespace Reflect { /** * Calls the function with the specified object as the this value * and the elements of specified array as the arguments. * @param target The function to call. * @param thisArgument The object to be used as the this object. * @param argumentsList An array of argument values to be passed to the function. */ function apply(target: Function, thisArgument: any, argumentsList: ArrayLike): any; /** * Constructs the target with the elements of specified array as the arguments * and the specified constructor as the `new.target` value. * @param target The constructor to invoke. * @param argumentsList An array of argument values to be passed to the constructor. * @param newTarget The constructor to be used as the `new.target` object. */ function construct(target: Function, argumentsList: ArrayLike, newTarget?: Function): any; /** * Adds a property to an object, or modifies attributes of an existing property. * @param target Object on which to add or modify the property. This can be a native JavaScript object * (that is, a user-defined object or a built in object) or a DOM object. * @param propertyKey The property name. * @param attributes Descriptor for the property. It can be for a data property or an accessor property. */ function defineProperty(target: object, propertyKey: PropertyKey, attributes: PropertyDescriptor): boolean; /** * Removes a property from an object, equivalent to `delete target[propertyKey]`, * except it won't throw if `target[propertyKey]` is non-configurable. * @param target Object from which to remove the own property. * @param propertyKey The property name. */ function deleteProperty(target: object, propertyKey: PropertyKey): boolean; /** * Gets the property of target, equivalent to `target[propertyKey]` when `receiver === target`. * @param target Object that contains the property on itself or in its prototype chain. * @param propertyKey The property name. * @param receiver The reference to use as the `this` value in the getter function, * if `target[propertyKey]` is an accessor property. */ function get(target: object, propertyKey: PropertyKey, receiver?: any): any; /** * Gets the own property descriptor of the specified object. * An own property descriptor is one that is defined directly on the object and is not inherited from the object's prototype. * @param target Object that contains the property. * @param propertyKey The property name. */ function getOwnPropertyDescriptor(target: object, propertyKey: PropertyKey): PropertyDescriptor | undefined; /** * Returns the prototype of an object. * @param target The object that references the prototype. */ function getPrototypeOf(target: object): object | null; /** * Equivalent to `propertyKey in target`. * @param target Object that contains the property on itself or in its prototype chain. * @param propertyKey Name of the property. */ function has(target: object, propertyKey: PropertyKey): boolean; /** * Returns a value that indicates whether new properties can be added to an object. * @param target Object to test. */ function isExtensible(target: object): boolean; /** * Returns the string and symbol keys of the own properties of an object. The own properties of an object * are those that are defined directly on that object, and are not inherited from the object's prototype. * @param target Object that contains the own properties. */ function ownKeys(target: object): (string | symbol)[]; /** * Prevents the addition of new properties to an object. * @param target Object to make non-extensible. * @return Whether the object has been made non-extensible. */ function preventExtensions(target: object): boolean; /** * Sets the property of target, equivalent to `target[propertyKey] = value` when `receiver === target`. * @param target Object that contains the property on itself or in its prototype chain. * @param propertyKey Name of the property. * @param receiver The reference to use as the `this` value in the setter function, * if `target[propertyKey]` is an accessor property. */ function set(target: object, propertyKey: PropertyKey, value: any, receiver?: any): boolean; /** * Sets the prototype of a specified object o to object proto or null. * @param target The object to change its prototype. * @param proto The value of the new prototype or null. * @return Whether setting the prototype was successful. */ function setPrototypeOf(target: object, proto: object | null): boolean; }