export interface WebworkerEventListener<T = any> {
    (worker: Worker, event: MessageEvent<T>): void;
}
declare const observable: {
    (worker: Worker & {
        port?: any;
    }): void;
    addEventListener(type: string, fn: WebworkerEventListener): void;
    removeEventListener(type: string, fn: WebworkerEventListener): void;
    dispatchEvent(type: string, worker: Worker, event: MessageEvent<any>): void;
};
export default observable;
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