/**
 * Identity-formation utilities for WebSocket request matching.
 * @module
 */
/// <amd-module name="file:///home/runner/work/hyperliquid/hyperliquid/src/transport/websocket/_id.ts" />
/**
 * Builds a stable string identifier from an arbitrary value: payloads with
 * the same logical content produce the same id.
 *
 * Sorts object keys recursively and lowercases hex addresses.
 *
 * @example
 * ```ts ignore
 * requestToId({ user: "0xAbC123", type: "userFills" });
 * // => '{"type":"userFills","user":"0xabc123"}'
 * ```
 */
export declare function requestToId(value: unknown): string;
/**
 * Counts the leaf values in `value`; a higher count means a more specific payload.
 *
 * @example
 * ```ts ignore
 * specificity({ type: "candle", coin: "ETH", interval: "1m" });
 * // => 3
 * ```
 */
export declare function specificity(value: unknown): number;
/**
 * Returns true if every field of `subset` is present in `superset` with an equal value.
 *
 * @example
 * ```ts ignore
 * isSubset({ coin: "BTC" }, { coin: "BTC", nSigFigs: null }); // => true
 * isSubset({ coin: "BTC", nSigFigs: 5 }, { coin: "BTC" }); // => false
 * ```
 */
export declare function isSubset(subset: unknown, superset: unknown): boolean;