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 *
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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module com { module sun { module star { module configuration { module backend {


/**
  provides access to versioned configuration component schemas.

  @since OOo 2.0
*/
interface XVersionedSchemaSupplier : XSchemaSupplier
{

    /**
      Returns the schema version for a particular component.

      @param aComponent
                component whose schema version will be determined

      @returns
                a `string` that identifies the schema version for
                the given component.

                <p> The format of the version string is arbitrary. No meaning
                should be attached to it, unless an implementing service
                defines one. If no version can be determined, an empty
                `string` may be returned.
                </p>

                <p> Clients may assume that all instances of a schema with the
                same version are identical. The converse is not true.
                In particular an implementation may return the same version
                string for all schemas it supplies (i.e. return a version for
                the complete schema, including all components)
                </p>

      @throws   com::sun::star::lang::IllegalArgumentException
                if the component identifier is invalid.

      @throws   com::sun::star::configuration::backend::BackendAccessException
                if an error occurs while accessing the version data.
    */
    string getSchemaVersion([in] string aComponent)
        raises (BackendAccessException,
                com::sun::star::lang::IllegalArgumentException) ;

} ;


} ; } ; } ; } ; } ;

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