declare function isForbiddenPropertyName(propertyName: string): boolean;

/** @deprecated Will be removed on or after 2028-03-18. */
type OneOrMany<T> = T | readonly T[];

/** @deprecated Will be removed on or after 2028-03-16. */
declare function singleToArray<T>(singleOrArray: T | readonly T[]): readonly T[];

type PromiseWithResolvers<T> = {
    promise: Promise<T>;
    reject: (error: unknown) => void;
    resolve: (value: T) => void;
};
declare function withResolvers<T>(): PromiseWithResolvers<T>;

export { isForbiddenPropertyName as i, singleToArray as s, withResolvers as w };
export type { OneOrMany as O, PromiseWithResolvers as P };