/**
 * A single value or a virtually unlimitedly nested array of this type of value
 *
 * @public
 */
export type RecursiveArray<T> = T | Array<RecursiveArray<T>>;
export declare const flatten: <T>(input: RecursiveArray<T>) => T[];
/**
 * A virtually unlimitedly nested array of values, including void and non-void ones
 */
export type NonSanitizedArray<T = any> = RecursiveArray<T | null | undefined>;
/**
 * A non-nested array of non void values
 */
export type SanitizedArray<T = any> = Array<Exclude<T, null | undefined | Array<any>>>;
/**
 * Turns the `NonSanitizedArray` `array` into a `SanitizedArray`
 */
export declare const sanitize: <T>(array: NonSanitizedArray<T>) => SanitizedArray<T>;