/**
 *
 * Checks whether the given value is isTruthy or not and returns the corresponding boolean value.
 * A isTruthy value is one that coerces to true in a boolean context.
 * Using example: a = [1, 2, 3, null]; b = a.filter(isTruthy); // b type is number[]
 *
 **/
type TTruthy<T> = T extends false | '' | 0 | null | undefined ? never : T;
export declare const isTruthy: <T>(value: T) => value is TTruthy<T>;
export {};