增加按坐标控制云台ptz接口

‘liusuyi’

2023-05-24 0484a33f0550b344382f0d3caac5b26bbba23ca0

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