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out.add( new PacketWrapper( new LegacyPing(), Unpooled.EMPTY_BUFFER ) ); return; } if ( b1 == 0x02 && b2 >= 60 && b2 <= 78 ) { out.add( new PacketWrapper( new LegacyHandshake(), Unpooled.EMPTY_BUFFER ) ); return; } ctx.pipeline().remove( this ); }