/**
 * @see https://developer.mozilla.org/en-US/docs/Glossary/Truthy
 * @example [-1, undefined, 1].filter(isTruthy) // [-1, 1]
 * @returns `true` when value is truthy
 */
export declare const isTruthy: <T>(_: T) => _ is Exclude<T, false | 0 | -0 | 0n | "" | null | undefined>;