import { DefineOAuth2Provider } from "https://deno.land/x/deno_slack_sdk@1.5.0/providers/oauth2/mod.ts";
type
(definition: OAuth2ProviderDefinitionArgs) => OAuth2Provider
x/deno_slack_sdk/providers/oauth2/mod.ts>DefineOAuth2Provider
import { DefineOAuth2Provider } from "https://deno.land/x/deno_slack_sdk@1.5.0/providers/oauth2/mod.ts";