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<?php

/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Symfony\Component\Form;

/**
* Interface for extensions which provide types, type extensions and a guesser.
*/
interface FormExtensionInterface
{
    /**
* Returns a type by name.
*
* @param string $name The name of the type
*
* @return FormTypeInterface The type
*
* @throws Exception\FormException if the given type is not supported by this extension
*/
    public function getType($name);

    /**
* Returns whether the given type is supported.
*
* @param string $name The name of the type
*
* @return Boolean Whether the type is supported by this extension
*/
    public function hasType($name);

    /**
* Returns the extensions for the given type.
*
* @param string $name The name of the type
*
* @return FormTypeExtensionInterface[] An array of extensions as FormTypeExtensionInterface instances
*/
    public function getTypeExtensions($name);

    /**
* Returns whether this extension provides type extensions for the given type.
*
* @param string $name The name of the type
*
* @return Boolean Whether the given type has extensions
*/
    public function hasTypeExtensions($name);

    /**
* Returns the type guesser provided by this extension.
*
* @return FormTypeGuesserInterface|null The type guesser
*/
    public function getTypeGuesser();
}
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