import { JSONObject } from './types.js';
export declare function isRecord(value: unknown): value is Record<string, unknown>;
/** For values from `JSON.parse` or a JSON-RPC result, which hold only JSON. */
export declare function isJsonObject(value: unknown): value is JSONObject;
export declare function isNonEmptyString(value: unknown): value is string;
export declare function isSafeInteger(value: unknown): value is number;
export declare function issues(message: string): {
    issues: {
        message: string;
    }[];
};