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33 lines
1.9 KiB
33 lines
1.9 KiB
4 years ago
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import { Subscriber } from '../Subscriber';
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import { Subscription } from '../Subscription';
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import { Observable } from '../Observable';
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import { Subject } from '../Subject';
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import { OperatorFunction } from '../types';
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export declare function groupBy<T, K>(keySelector: (value: T) => K): OperatorFunction<T, GroupedObservable<K, T>>;
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export declare function groupBy<T, K>(keySelector: (value: T) => K, elementSelector: void, durationSelector: (grouped: GroupedObservable<K, T>) => Observable<any>): OperatorFunction<T, GroupedObservable<K, T>>;
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export declare function groupBy<T, K, R>(keySelector: (value: T) => K, elementSelector?: (value: T) => R, durationSelector?: (grouped: GroupedObservable<K, R>) => Observable<any>): OperatorFunction<T, GroupedObservable<K, R>>;
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export declare function groupBy<T, K, R>(keySelector: (value: T) => K, elementSelector?: (value: T) => R, durationSelector?: (grouped: GroupedObservable<K, R>) => Observable<any>, subjectSelector?: () => Subject<R>): OperatorFunction<T, GroupedObservable<K, R>>;
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export interface RefCountSubscription {
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count: number;
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unsubscribe: () => void;
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closed: boolean;
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attemptedToUnsubscribe: boolean;
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}
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/**
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* An Observable representing values belonging to the same group represented by
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* a common key. The values emitted by a GroupedObservable come from the source
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* Observable. The common key is available as the field `key` on a
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* GroupedObservable instance.
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*
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* @class GroupedObservable<K, T>
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*/
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export declare class GroupedObservable<K, T> extends Observable<T> {
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key: K;
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private groupSubject;
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private refCountSubscription?;
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/** @deprecated Do not construct this type. Internal use only */
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constructor(key: K, groupSubject: Subject<T>, refCountSubscription?: RefCountSubscription);
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/** @deprecated This is an internal implementation detail, do not use. */
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_subscribe(subscriber: Subscriber<T>): Subscription;
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}
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