import { IterableX } from '../../iterable/iterablex';
/**
 * @ignore
 */
export declare function someProto<T, S extends T>(this: IterableX<T>, comparer: (value: T, index: number) => value is S): boolean;
export declare function someProto<T>(this: IterableX<T>, comparer: (value: T, index: number) => boolean): boolean;
declare module '../../iterable/iterablex' {
    interface IterableX<T> {
        some: typeof someProto;
    }
}