import { Seq } from '../Seq';
/**
 * Returns whether or not any element of the sequence satisfies the specified condition.
 *
 * ```typescript
 * const result1 = from([1,3,5,6,7]).value(some(i => i % 2 == 0));
 * //result1: true
 *
 * const result2 = from([1,3,5,7]).value(some(i => i % 2 == 0));
 * //result2: false
 * ```
 *
 * @param predicate Condition.
 * @typeParam T Source element type.
 * @returns
 * @category Values
 */
export declare const some: <T>(predicate?: (arg: T, index: number) => boolean) => (seq: Seq<T>) => boolean;