     /// for the specified Connection_Handle, regardless of whether the Master has received an acknowledgment.
     public struct ReadChannelMapReturnParameter: HCICommandReturnParameter {
         
-        public static let command = LowEnergyCommand.readChannelMap
+        public static let command = LowEnergyCommand.readChannelMap //0x0015
         
         public static let length: Int = 7
         

    /// The AES-128 bit block cypher is defined in NIST Publication FIPS-197 (http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf).
    public struct EncryptReturnParameter: HCICommandReturnParameter {

        public static let command = LowEnergyCommand.encrypt
        
        public static let length: Int = 16
        

    /// from the Controller if the Host cannot provide a Long Term Key for this Connection_Handle.
    public struct LongTermKeyRequestNegativeReplyReturnParameter: HCICommandReturnParameter {
        
        public static let command = LowEnergyCommand.ltkNegativeReply //0x001B
        
        public static let length: Int = 2
        
