type alias ExistsUsernameDataimport { type ExistsUsernameData } from "https://dotland.deno.dev/x/wmill@v1.423.1/gen/index.ts"; definition: { requestBody: { id: string; username: string; }; }import ExistsUsernameDataimport { ExistsUsernameData } from "https://dotland.deno.dev/x/wmill@v1.423.1/gen/index.ts";