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module com { module sun { module star { module ucb {

/** is a proxy for a content provider.

    <p>Implementing a content provider proxy can be useful if the creation of
    the real content provider object shall be deferred for some reason
    (i.e. performance) until the first method gets called on it. Instead of
    instantiating and registering the real provider at the UCB, a proxy for
    the real provider can be created and registered at the UCB.

    @see XContentProviderProxyFactory
*/
published service ContentProviderProxy
{
    /** The implementation of
        com::sun::star::uno::XInterface::queryInterface()
        must instantiate the real provider and return the return value
        of a queryInterface call at the real provider, except for queries
        for the interfaces implemented by the proxy itself. So the caller of
        the queryInterface method at the proxy will get access to the real
        provider in a completely transparent way.
     */
    interface com::sun::star::uno::XInterface;

    /** gives access to the original content provider behind the proxy.

        <p>The implementation will instantiate the real content provider only
        on demand using its UNO service name. This will load the content
        providers implementation code (dynamic library), if not already done.
     */
    interface com::sun::star::ucb::XContentProviderSupplier;

    /** a content provider implementation that wraps the original provider.
     */
    interface com::sun::star::ucb::XContentProvider;

    /** a parameterized content provider implementation that wraps the
        original provider.
     */
    interface com::sun::star::ucb::XParameterizedContentProvider;
};


}; }; }; };

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