import { type FinalizationRegistryObject, type PlainCompletion, ObjectValue, SymbolValue, type JobCallbackRecord, UndefinedValue, Value, type ValueEvaluator } from '#self';
/** https://tc39.es/ecma262/#sec-host-cleanup-finalization-registry */
export declare function HostEnqueueFinalizationRegistryCleanupJob(fg: FinalizationRegistryObject): PlainCompletion<void>; /** https://tc39.es/ecma262/#sec-clear-kept-objects */
export declare function ClearKeptObjects(): void; /** https://tc39.es/ecma262/#sec-addtokeptobjects */
export declare function AddToKeptObjects(object: ObjectValue | SymbolValue): void; /** https://tc39.es/ecma262/#sec-cleanup-finalization-registry */
export declare function CleanupFinalizationRegistry(finalizationRegistry: FinalizationRegistryObject, callback?: JobCallbackRecord): ValueEvaluator<UndefinedValue>; /** https://tc39.es/ecma262/#sec-canbeheldweakly */
export declare function CanBeHeldWeakly(v: Value): v is ObjectValue | SymbolValue;
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