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// The "reflect-metadata" module has no imports or exports, but can be imported by modules to load the polyfill.
export { };
declare global {
namespace Reflect {
/**
* Applies a set of decorators to a target object.
* @param decorators An array of decorators.
* @param target The target object.
* @returns The result of applying the provided decorators.
* @remarks Decorators are applied in reverse order of their positions in the array.
* @example
*
* class Example { }
*
* // constructor
* Example = Reflect.decorate(decoratorsArray, Example);
*
*/
function decorate(decorators: ClassDecorator[], target: Function): Function;
/**
* Applies a set of decorators to a property of a target object.
* @param decorators An array of decorators.
* @param target The target object.
* @param propertyKey The property key to decorate.
* @param attributes A property descriptor.
* @remarks Decorators are applied in reverse order.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod() { }
* method() { }
* }
*
* // property (on constructor)
* Reflect.decorate(decoratorsArray, Example, "staticProperty");
*
* // property (on prototype)
* Reflect.decorate(decoratorsArray, Example.prototype, "property");
*
* // method (on constructor)
* Object.defineProperty(Example, "staticMethod",
* Reflect.decorate(decoratorsArray, Example, "staticMethod",
* Object.getOwnPropertyDescriptor(Example, "staticMethod")));
*
* // method (on prototype)
* Object.defineProperty(Example.prototype, "method",
* Reflect.decorate(decoratorsArray, Example.prototype, "method",
* Object.getOwnPropertyDescriptor(Example.prototype, "method")));
*
*/
function decorate(decorators: (PropertyDecorator | MethodDecorator)[], target: Object, propertyKey: string | symbol, attributes?: PropertyDescriptor): PropertyDescriptor;
/**
* A default metadata decorator factory that can be used on a class, class member, or parameter.
* @param metadataKey The key for the metadata entry.
* @param metadataValue The value for the metadata entry.
* @returns A decorator function.
* @remarks
* If `metadataKey` is already defined for the target and target key, the
* metadataValue for that key will be overwritten.
* @example
*
* // constructor
* @Reflect.metadata(key, value)
* class Example {
* }
*
* // property (on constructor, TypeScript only)
* class Example {
* @Reflect.metadata(key, value)
* static staticProperty;
* }
*
* // property (on prototype, TypeScript only)
* class Example {
* @Reflect.metadata(key, value)
* property;
* }
*
* // method (on constructor)
* class Example {
* @Reflect.metadata(key, value)
* static staticMethod() { }
* }
*
* // method (on prototype)
* class Example {
* @Reflect.metadata(key, value)
* method() { }
* }
*
*/
function metadata(metadataKey: any, metadataValue: any): {
(target: Function): void;
(target: Object, propertyKey: string | symbol): void;
};
/**
* Define a unique metadata entry on the target.
* @param metadataKey A key used to store and retrieve metadata.
* @param metadataValue A value that contains attached metadata.
* @param target The target object on which to define metadata.
* @example
*
* class Example {
* }
*
* // constructor
* Reflect.defineMetadata("custom:annotation", options, Example);
*
* // decorator factory as metadata-producing annotation.
* function MyAnnotation(options): ClassDecorator {
* return target => Reflect.defineMetadata("custom:annotation", options, target);
* }
*
*/
function defineMetadata(metadataKey: any, metadataValue: any, target: Object): void;
/**
* Define a unique metadata entry on the target.
* @param metadataKey A key used to store and retrieve metadata.
* @param metadataValue A value that contains attached metadata.
* @param target The target object on which to define metadata.
* @param propertyKey The property key for the target.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* Reflect.defineMetadata("custom:annotation", Number, Example, "staticProperty");
*
* // property (on prototype)
* Reflect.defineMetadata("custom:annotation", Number, Example.prototype, "property");
*
* // method (on constructor)
* Reflect.defineMetadata("custom:annotation", Number, Example, "staticMethod");
*
* // method (on prototype)
* Reflect.defineMetadata("custom:annotation", Number, Example.prototype, "method");
*
* // decorator factory as metadata-producing annotation.
* function MyAnnotation(options): PropertyDecorator {
* return (target, key) => Reflect.defineMetadata("custom:annotation", options, target, key);
* }
*
*/
function defineMetadata(metadataKey: any, metadataValue: any, target: Object, propertyKey: string | symbol): void;
/**
* Gets a value indicating whether the target object or its prototype chain has the provided metadata key defined.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @returns `true` if the metadata key was defined on the target object or its prototype chain; otherwise, `false`.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.hasMetadata("custom:annotation", Example);
*
*/
function hasMetadata(metadataKey: any, target: Object): boolean;
/**
* Gets a value indicating whether the target object or its prototype chain has the provided metadata key defined.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns `true` if the metadata key was defined on the target object or its prototype chain; otherwise, `false`.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.hasMetadata("custom:annotation", Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.hasMetadata("custom:annotation", Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.hasMetadata("custom:annotation", Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.hasMetadata("custom:annotation", Example.prototype, "method");
*
*/
function hasMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
/**
* Gets a value indicating whether the target object has the provided metadata key defined.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @returns `true` if the metadata key was defined on the target object; otherwise, `false`.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.hasOwnMetadata("custom:annotation", Example);
*
*/
function hasOwnMetadata(metadataKey: any, target: Object): boolean;
/**
* Gets a value indicating whether the target object has the provided metadata key defined.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns `true` if the metadata key was defined on the target object; otherwise, `false`.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "method");
*
*/
function hasOwnMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
/**
* Gets the metadata value for the provided metadata key on the target object or its prototype chain.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.getMetadata("custom:annotation", Example);
*
*/
function getMetadata(metadataKey: any, target: Object): any;
/**
* Gets the metadata value for the provided metadata key on the target object or its prototype chain.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.getMetadata("custom:annotation", Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.getMetadata("custom:annotation", Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.getMetadata("custom:annotation", Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.getMetadata("custom:annotation", Example.prototype, "method");
*
*/
function getMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): any;
/**
* Gets the metadata value for the provided metadata key on the target object.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.getOwnMetadata("custom:annotation", Example);
*
*/
function getOwnMetadata(metadataKey: any, target: Object): any;
/**
* Gets the metadata value for the provided metadata key on the target object.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.getOwnMetadata("custom:annotation", Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.getOwnMetadata("custom:annotation", Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "method");
*
*/
function getOwnMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): any;
/**
* Gets the metadata keys defined on the target object or its prototype chain.
* @param target The target object on which the metadata is defined.
* @returns An array of unique metadata keys.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.getMetadataKeys(Example);
*
*/
function getMetadataKeys(target: Object): any[];
/**
* Gets the metadata keys defined on the target object or its prototype chain.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns An array of unique metadata keys.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.getMetadataKeys(Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.getMetadataKeys(Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.getMetadataKeys(Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.getMetadataKeys(Example.prototype, "method");
*
*/
function getMetadataKeys(target: Object, propertyKey: string | symbol): any[];
/**
* Gets the unique metadata keys defined on the target object.
* @param target The target object on which the metadata is defined.
* @returns An array of unique metadata keys.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.getOwnMetadataKeys(Example);
*
*/
function getOwnMetadataKeys(target: Object): any[];
/**
* Gets the unique metadata keys defined on the target object.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns An array of unique metadata keys.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.getOwnMetadataKeys(Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.getOwnMetadataKeys(Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.getOwnMetadataKeys(Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.getOwnMetadataKeys(Example.prototype, "method");
*
*/
function getOwnMetadataKeys(target: Object, propertyKey: string | symbol): any[];
/**
* Deletes the metadata entry from the target object with the provided key.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @returns `true` if the metadata entry was found and deleted; otherwise, false.
* @example
*
* class Example {
* }
*
* // constructor
* result = Reflect.deleteMetadata("custom:annotation", Example);
*
*/
function deleteMetadata(metadataKey: any, target: Object): boolean;
/**
* Deletes the metadata entry from the target object with the provided key.
* @param metadataKey A key used to store and retrieve metadata.
* @param target The target object on which the metadata is defined.
* @param propertyKey The property key for the target.
* @returns `true` if the metadata entry was found and deleted; otherwise, false.
* @example
*
* class Example {
* // property declarations are not part of ES6, though they are valid in TypeScript:
* // static staticProperty;
* // property;
*
* static staticMethod(p) { }
* method(p) { }
* }
*
* // property (on constructor)
* result = Reflect.deleteMetadata("custom:annotation", Example, "staticProperty");
*
* // property (on prototype)
* result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "property");
*
* // method (on constructor)
* result = Reflect.deleteMetadata("custom:annotation", Example, "staticMethod");
*
* // method (on prototype)
* result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "method");
*
*/
function deleteMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
}
}