{{#authMethods}}
{{#isBasic}}
val principal = call.authentication.principal<UserIdPrincipal>()
{{/isBasic}}
{{#isApiKey}}
val principal = call.authentication.principal<ApiPrincipal>()
{{/isApiKey}}
{{#isOAuth}}
val principal = call.authentication.principal<OAuthAccessTokenResponse>()
{{/isOAuth}}
{{/authMethods}}