export function allObjectPropertiesIncludingPrototypes(obj: Object): Set<any>;
export function ensureEqualToOrPrototypeOf(proto: Object, obj: Object): Object;
export function ensureInstanceOf(value: any, klass: Function): any;
export function ensurePrototypeOf(proto: object, value: any): any;
export function isEqualToOrPrototypeOf(proto: Object, obj: Object): boolean;
export function isPrototypeOf(proto: Object, obj: Object): boolean;
export function validateProperties(obj: Object): void;
export function withExtendedPrototypeProperties<T>(properties: Array<string>, parentClass: T): T;
export function withExtendedStaticProperties<T>(properties: Array<string>, parentClass: T): T;
export function withoutPrototypeFunctions(klass: Function, ignore?: Set<string>): Function;