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- import { Observable } from '../Observable';
- import { OperatorFunction } from '../types';
- /**
- * Returns an Observable that emits whether or not every item of the source satisfies the condition specified.
- *
- * ## Example
- * A simple example emitting true if all elements are less than 5, false otherwise
- * ```ts
- * import { of } from 'rxjs';
- * import { every } from 'rxjs/operators';
- *
- * of(1, 2, 3, 4, 5, 6).pipe(
- * every(x => x < 5),
- * )
- * .subscribe(x => console.log(x)); // -> false
- * ```
- *
- * @param {function} predicate A function for determining if an item meets a specified condition.
- * @param {any} [thisArg] Optional object to use for `this` in the callback.
- * @return {Observable} An Observable of booleans that determines if all items of the source Observable meet the condition specified.
- * @method every
- * @owner Observable
- */
- export declare function every<T>(predicate: (value: T, index: number, source: Observable<T>) => boolean, thisArg?: any): OperatorFunction<T, boolean>;
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