import type { MaybePromise, Series, SyncSeries } from '../../controls/types.js';
export declare function findSync<T, S extends T>(input: SyncSeries<T>, test: (value: T) => value is S): S | undefined;
export declare function findSync<T, S extends T>(test: (value: T) => value is S): (input: SyncSeries<T>) => S | undefined;
export declare function findSync<T>(input: SyncSeries<T>, test: (value: T) => boolean): T | undefined;
export declare function findSync<T>(test: (value: T) => boolean): (input: SyncSeries<T>) => T | undefined;
export declare function findAsync<T, S extends Awaited<T>>(input: Series<T>, test: ((value: Awaited<T>) => value is S) | ((value: Awaited<T>) => Promise<boolean>)): Promise<S | undefined>;
export declare function findAsync<T, S extends Awaited<T>>(test: ((value: Awaited<T>) => value is S) | ((value: Awaited<T>) => Promise<boolean>)): (input: Series<T>) => Promise<S | undefined>;
export declare function findAsync<T>(input: Series<T>, test: (value: Awaited<T>) => MaybePromise<boolean>): Promise<T | undefined>;
export declare function findAsync<T>(test: (value: Awaited<T>) => MaybePromise<boolean>): (input: Series<T>) => Promise<T | undefined>;
/** Returns the first met element with the specified test, and undefined otherwise. */
export declare namespace find {
    const sync: typeof findSync;
    const async: typeof findAsync;
}
//# sourceMappingURL=find.d.ts.map