/**
 * Checks whether the given value is undefined.
 *
 * @param value Value to check.
 *
 * @returns `true` if the value is 'undefined', `false` otherwise.
 */
export declare const isUndefined: (value: unknown) => value is undefined;
/**
 * Checks whether the given value is null.
 *
 * @param value Value to check.
 *
 * @returns `true` if the value is 'null', `false` otherwise.
 */
export declare const isNull: (value: unknown) => value is null;
/**
 * Checks whether the given value is a number.
 *
 * @param value Value to check.
 *
 * @returns `true` if the value is a number, `false` otherwise.
 */
export declare const isNumber: (value: unknown) => value is number;
/**
 * Checks whether the given value is an integer.
 *
 * @param value Value to check.
 *
 * @returns `true` if the value is an integer, `false` otherwise.
 */
export declare const isInteger: (value: unknown) => value is number;
/**
 * Checks whether the given value is a string.
 *
 * @param value Value to check.
 *
 * @returns `true` if the value is a string, `false` otherwise.
 */
export declare const isString: (value: unknown) => value is string;
/**
 * Checks whether the given value is an array of Uint8Arrays.
 *
 * @param value Value to check.
 *
 * @returns True if the value type is an array of Uint8Arrays.
 */
export declare const isArrayOfUint8Arrays: (value: unknown) => value is Uint8Array[];