method VisitorStrategyAbstract.prototype.visitorExposedimport { VisitorStrategyAbstract } from "https://deno.land/x/flagship_io_js_sdk@4.0.4/visitor/VisitorStrategyAbstract.ts"; visitorExposed<T>(param: { key: string; flag?: FlagDTO; defaultValue: T; }): Promise<void>Type ParametersTParametersparam: { key: string; flag?: FlagDTO; defaultValue: T; }ReturnsPromise<void>