import type { stringE } from "../types";
/**
 * Decodes JSON string.
 * @param source - JSON string.
 * @returns Decoded value.
 */
export declare function decode(source: stringE): unknown;
/**
 * Encodes to JSON string.
 * @param source - Value to encode.
 * @returns JSON string.
 */
export declare function encode(source: unknown): string;
/**
 * Compares two values as JSON strings.
 * @param x - Value 1.
 * @param y - Value 2.
 * @returns _True_ if two values are equal, _false_ otherwise.
 */
export declare function eq(x: unknown, y: unknown): boolean;
/**
 * Compares two values as JSON strings.
 * @param x - Value 1.
 * @param y - Value 2.
 * @returns _True_ if two values are not equal, _false_ otherwise.
 */
export declare function neq(x: unknown, y: unknown): boolean;
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