original_string: public function authorizationEndpoint() {
  		$endpoint = $this->getset('authorization_endpoint', func_get_args());
  		return $this->validateEndpoint($endpoint ?: self::URI_AUTHORIZE);
  	}
code: public function authorizationEndpoint() {
  		$endpoint = $this->getset('authorization_endpoint', func_get_args());
  		return $this->validateEndpoint($endpoint ?: self::URI_AUTHORIZE);
  	}
code_tokens: public function authorizationEndpoint ( ) { $ endpoint = $ this -> getset ( 'authorization_endpoint' , func_get_args ( ) ) ; return $ this -> validateEndpoint ( $ endpoint ? : self :: URI_AUTHORIZE ) ; }
docstring: Get and optionally set the authorization endpoint.
  
  @param string $authorization_endpoint (optional)
  @return string
docstring_tokens: Get and optionally set the authorization endpoint .