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#ifndef __com_sun_star_reflection_XStructTypeDescription_idl__
#define __com_sun_star_reflection_XStructTypeDescription_idl__

#include "com/sun/star/reflection/XCompoundTypeDescription.idl"

module com {  module sun {  module star {  module reflection {

interface XTypeDescription;

/**
   Reflects a struct type, supporting polymorphic struct types.

   <p>This type supersedes <type>XCompoundTypeDescription</type>, which only
   supports plain struct types.</p>

   <p>This type is used to reflect all of the following:</p>
   <ul>
       <li>Polymorphic struct type templates, like
       <code>Struct&lt;T, U&gt;</code>.  For these,
       <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeParameters</member> returns a non-empty
       sequence, while <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeArguments</member> returns an empty
       sequence.</li>

       <li>Instantiated polymorphic struct types, like <code>Struct&lt;long,
       hyper&gt;</code>.  For these,
       <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeParameters</member> returns an empty
       sequence, while <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeArguments</member> returns a non-empty
       sequence.</li>

       <li>Plain struct types.  For these, both
       <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeParameters</member> and
       <member scope="com::sun::star::reflection"><!--
       -->XStructTypeDescription::getTypeArguments</member> return an empty
       sequence.</li>
   </ul>

   @since OOo 2.0.0
 */
interface XStructTypeDescription: XCompoundTypeDescription {
    /**
       Returns the type parameters of a polymorphic struct type template.

       @return a sequence of the names of all type parameters, in the correct
       order; for a plain struct type, or an instantiated polymorphic struct
       type, an empty sequence is returned
     */
    sequence<string> getTypeParameters();

    /**
       Returns the type arguments of an instantiated polymorphic struct type.

       @return a sequence of all type arguments, in the correct order; for a
       plain struct type, or a polymorphic struct type template, an empty
       sequence is returned
     */
    sequence<XTypeDescription> getTypeArguments();
};

}; }; }; };

#endif
