export type JsonObject = Record<string, unknown>;
export declare function isRecord(v: unknown): v is JsonObject;
export declare function safeJsonParse(text: string): unknown;
export declare function getString(obj: JsonObject, key: string): string | undefined;
export declare function getNumber(obj: JsonObject, key: string): number | undefined;
export declare function getBoolean(obj: JsonObject, key: string): boolean | undefined;
export declare function getRecord(obj: JsonObject, key: string): JsonObject | undefined;
export declare function errorMessage(e: unknown): string;
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