增加用户预览位置接口

liusuyi

2024-05-08 c17dc5484bde25d032bf58d114a4f1598a301f31

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import { Subscriber } from './Subscriber';
import { TeardownLogic } from './types';
 
export interface Operator<T, R> {
  call(subscriber: Subscriber<R>, source: any): TeardownLogic;
}