method NotReadyStrategy.prototype.getFlagValueimport { NotReadyStrategy } from "https://deno.land/x/flagship_io_js_sdk@4.0.2/visitor/NotReadyStrategy.ts"; getFlagValue<T>(param: { key: string; defaultValue: T; flag?: FlagDTO; visitorExposed?: boolean; }): T extends null ? unknown : TType ParametersTParametersparam: { key: string; defaultValue: T; flag?: FlagDTO; visitorExposed?: boolean; }ReturnsT extends null ? unknown : T