import { AuthorizationEndpoint } from "https://deno.land/x/authlete_deno_fen_oauth_server@v1.0.0/src/endpoint/authorization_endpoint.ts";
The authorization endpoint for POST
method.
RFC6749 3.1 Authorization Endpoint says that the
authorization endpoint MAY support POST
method.
In addition, OpenID Connect Core 1.0, 3.1.2.1. Authentication
Request}
says that the authorization endpoint MUST support POST
method.