import type { Falsy, Truthy } from '@toolbox-ts/types/defs/string';
export declare const isStringTruthy: import("@toolbox-ts/types/defs/function").TypeGuard<import("@toolbox-ts/types/defs/function").IsGuard<Truthy, []>, "StringTruthy">;
export declare const checkIsStringTruthy: import("@toolbox-ts/types/defs/function").TypeGuard<import("@toolbox-ts/types/defs/function").CheckGuard<[]>, "StringTruthy">;
export declare function assertIsStringTruthy(v: unknown): asserts v is Truthy;
export declare const isStringFalsy: import("@toolbox-ts/types/defs/function").TypeGuard<import("@toolbox-ts/types/defs/function").IsGuard<Falsy, []>, "StringFalsy">;
export declare const checkIsStringFalsy: import("@toolbox-ts/types/defs/function").TypeGuard<import("@toolbox-ts/types/defs/function").CheckGuard<[]>, "StringFalsy">;
export declare function assertIsStringFalsy(v: unknown): asserts v is Falsy;