.getLibraries( IModuleNameSpace.ARBITARY_LEVEL );
.getLibraries( IModuleNameScope.ARBITARY_LEVEL );
	public boolean isDuplicateNamespace( String namespaceToCheck )	{		Module rootHost = this;		while ( rootHost instanceof Library				&& ( (Library) rootHost ).getHost( ) != null )			rootHost = ( (Library) rootHost ).getHost( );		// List libraries = rootHost.getAllLibraries( );		List libraries = rootHost				.getLibraries( IModuleNameSpace.ARBITARY_LEVEL );		Iterator iter = libraries.iterator( );		while ( iter.hasNext( ) )		{			Library library = (Library) iter.next( );			if ( library.getNamespace( ).equals( namespaceToCheck ) )				return true;		}		return false;	}