/** Returned when a property is absent from the inspected object. */
export declare const MISSING_OWN_DATA_DESCRIPTOR:unique symbol;
/** Returned when descriptor reflection fails or the own property is accessor-backed. */
export declare const UNSAFE_OWN_DATA_DESCRIPTOR:unique symbol;
/** An own descriptor whose value can be inspected without invoking a source accessor. */
interface OwnDataPropertyDescriptor{readonly configurable:boolean;readonly enumerable:boolean;readonly value:unknown;readonly writable:boolean;}
/** Tri-state result for bounded, descriptor-safe projection code. */
export type OwnDataDescriptorResult=OwnDataPropertyDescriptor|typeof MISSING_OWN_DATA_DESCRIPTOR|typeof UNSAFE_OWN_DATA_DESCRIPTOR;
/**
* Reads only an own data descriptor. Missing properties remain distinguishable from properties
* that cannot be inspected without invoking an accessor or crossing a hostile reflection trap.
*/
export declare function getOwnDataDescriptor(target:object,key:PropertyKey):OwnDataDescriptorResult;export{};