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/// Protocol version 1.0 pub const V1_0: u32 = 0x0001; /// Protocol version 2.0 pub const V2_0: u32 = 0x0002; /// Protocol version 3.0 pub const V3_0: u32 = 0x0003; /// Protocol version 4.0 pub const V4_0: u32 = 0x0004; /// Protocol version 4.1 pub const V4_1: u32 = 0x0104;