     /// Minimum length
     public static let length = 1 + 4
     
-    public var handles: [UInt16]
+    public let handles: [UInt16]
     
     public init?(handles: [UInt16]) {
         

    
    public var byteValue: [UInt8] {
        
        let type = ATTReadBlobResponse.self
        
        return [type.attributeOpcode.rawValue] + values
    }
}


    /// Minimum length
    public static let length = 1 + 0
    
    public let values: [[UInt8]]
    
    public init?(values: [[UInt8]]) {
        
        guard values.count >= 2
            else { return nil }
        
        self.values = values
    }
