tie( $scalar, 'Win32::MMF::Shareable', { namespace => 'ns1', key => 'foo' } );
tie( $scalar, 'Win32::MMF::Shareable', { namespace => 'ns1', key => 'bar' } );
tie( $scalar, 'Win32::MMF::Shareable', { namespace => 'ns2', key => 'foo' } );
tie( $scalar, 'Win32::MMF::Shareable', { namespace => 'ns2', key => 'bar' } );