/**
 * Falsy values in TypeScript.
 *
 * **Note:** NaN is a falsy value, but it is not included in this type, as it cannot be represented as a type literal.
 */
export type Falsy = false | 0 | 0n | '' | null | undefined;
/**
 * Returns `true` if the value is falsy. (i.e. `false`, `0`, `-0`, `0n`, `NaN`, `''`, `null`, or `undefined`)
 * @param value The value to check.
 *
 * @example
 * ```typescript
 * isFalsy(false); // => true
 * isFalsy(0); // => true
 * isFalsy(0n); // => true
 * isFalsy(NaN); // => true
 * isFalsy(''); // => true
 * isFalsy(null); // => true
 * isFalsy(undefined); // => true
 * isFalsy(' '); // => false
 * isFalsy([]); // => false
 * isFalsy({}); // => false
 * isFalsy(() => {}); // => false
 * isFalsy('a'); // => false
 * ```
 */
declare const isFalsy: (value: unknown) => value is Falsy;
export default isFalsy;
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