src/Helper/MapHelper.php
public function getExtensionHelper($name)
    {
        if (!$this->hasExtensionHelper($name)) {
            throw HelperException::invalidExtension($name);
        }

        return $this->extensionHelpers[$name];
    }
public function getExtensionHelper($name)
    {
        if (!$this->hasExtensionHelper($name)) {
            throw HelperException::invalidExtension($name);
        }

        return $this->extensionHelpers[$name];
    }
Gets a specific extension helper.

@param string $name The extension helper name.

@throws \Ivory\GoogleMap\Exception\HelperException If the extension helper does not exist.

@return \Ivory\GoogleMap\Helper\Extension\ExtensionHelperInterface The extension helper.