method VariableApi.prototype.existsVariableRe-exportimport { VariableApi } from "https://deno.land/x/windmill@v1.29.0/mod.ts"; existsVariable(workspace: string,path: string,_options?: Configuration,): Promise<boolean>does variable exists at path Parametersworkspace: stringpath: stringoptional_options: ConfigurationReturnsPromise<boolean>