export type JsonRecord = Record<string, unknown>;
/** Narrow a parsed JSON value to a record, defaulting non-objects to `{}` —
 *  the `isRecord(json) ? json : {}` idiom the REST bridges repeated so they
 *  never have to cast `JSON.parse` output. */
export declare function asJsonRecord(json: unknown): JsonRecord;
/** `fetch` + non-2xx guard + JSON-record narrow. Callers own the URL, auth
 *  headers, and timeout (via `init.signal`); `errorLabel` prefixes the thrown
 *  non-2xx error (e.g. "GET /im.list"). Network errors propagate from `fetch`
 *  unchanged, matching the callers' existing try/catch expectations. */
export declare function fetchJsonRecord(url: string, init: RequestInit, errorLabel: string): Promise<JsonRecord>;