import { Observable } from '../Observable';
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export interface NodeStyleEventEmitter {
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addListener: (eventName: string | symbol, handler: NodeEventHandler) => this;
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removeListener: (eventName: string | symbol, handler: NodeEventHandler) => this;
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}
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export declare type NodeEventHandler = (...args: any[]) => void;
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export interface NodeCompatibleEventEmitter {
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addListener: (eventName: string, handler: NodeEventHandler) => void | {};
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removeListener: (eventName: string, handler: NodeEventHandler) => void | {};
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}
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export interface JQueryStyleEventEmitter {
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on: (eventName: string, handler: Function) => void;
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off: (eventName: string, handler: Function) => void;
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}
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export interface HasEventTargetAddRemove<E> {
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addEventListener(type: string, listener: ((evt: E) => void) | null, options?: boolean | AddEventListenerOptions): void;
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removeEventListener(type: string, listener?: ((evt: E) => void) | null, options?: EventListenerOptions | boolean): void;
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}
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export declare type EventTargetLike<T> = HasEventTargetAddRemove<T> | NodeStyleEventEmitter | NodeCompatibleEventEmitter | JQueryStyleEventEmitter;
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export declare type FromEventTarget<T> = EventTargetLike<T> | ArrayLike<EventTargetLike<T>>;
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export interface EventListenerOptions {
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capture?: boolean;
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passive?: boolean;
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once?: boolean;
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}
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export interface AddEventListenerOptions extends EventListenerOptions {
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once?: boolean;
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passive?: boolean;
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}
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export declare function fromEvent<T>(target: FromEventTarget<T>, eventName: string): Observable<T>;
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/** @deprecated resultSelector no longer supported, pipe to map instead */
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export declare function fromEvent<T>(target: FromEventTarget<T>, eventName: string, resultSelector: (...args: any[]) => T): Observable<T>;
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export declare function fromEvent<T>(target: FromEventTarget<T>, eventName: string, options: EventListenerOptions): Observable<T>;
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/** @deprecated resultSelector no longer supported, pipe to map instead */
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export declare function fromEvent<T>(target: FromEventTarget<T>, eventName: string, options: EventListenerOptions, resultSelector: (...args: any[]) => T): Observable<T>;
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