method WorkspaceService.existsUsernameimport { WorkspaceService } from "https://dotland.deno.dev/x/windmill@v1.415.2/windmill-api/services/WorkspaceService.ts"; existsUsername(unnamed 0: { requestBody: { id: string; username: string; }; }): CancelablePromise<boolean>exists username Parametersunnamed 0: { requestBody: { id: string; username: string; }; }ReturnsCancelablePromise<boolean>boolean status