/** Whether a value is a plain object, not null or an array. */
export declare function isRecord(value: unknown): value is Record<string, unknown>;
/** The value when it is an array, otherwise an empty one. */
export declare function asArray(value: unknown): unknown[];
/** The value when it is a string, otherwise the fallback. */
export declare function asString(value: unknown, fallback?: string): string;
/** The value when it is a finite number, otherwise the fallback. */
export declare function asNumber(value: unknown, fallback?: number): number;
/** A nested object at a key, or `undefined`. */
export declare function getRecord(value: unknown, key: string): Record<string, unknown> | undefined;
/** An array at a key, or an empty one. */
export declare function getArray(value: unknown, key: string): unknown[];
/** A string at a key, or the fallback. */
export declare function getString(value: unknown, key: string, fallback?: string): string;
/** A finite number at a key, or the fallback. */
export declare function getNumber(value: unknown, key: string, fallback?: number): number;