import type { Reviver } from '../types';
/**
 * Attempts to parse object as JSON.
 * Returns original object if JSON parse failed (silently).
 */
export declare function _jsonParseIfPossible(obj: any, reviver?: Reviver): any;
/**
 * Convenience function that does JSON.parse, but doesn't throw on error,
 * instead - safely returns `undefined`.
 */
export declare function _jsonParseOrUndefined<T = unknown>(obj: any, reviver?: Reviver): T | undefined;
/**
 * Same as JSON.parse, but throws JsonParseError:
 *
 * 1. It's message includes a piece of source text (truncated)
 * 2. It's data.text contains full source text
 */
export declare function _jsonParse<T = unknown>(s: string, reviver?: Reviver): T;