interface PKCEClientCredentials
implements ClientCredentials
import { type PKCEClientCredentials } from "https://deno.land/x/oauth2_server@0.12.0/authorization_server.ts";
x/oauth2_server/authorization_server.ts>PKCEClientCredentials
import { type PKCEClientCredentials } from "https://deno.land/x/oauth2_server@0.12.0/authorization_server.ts";