Mutually exclusive flags in Cobra

[JyotikaGargg]

In order to have few flags to act in mutual exclusive manner , we need to implement this function in Cobra implementation . Some of the flags which need to mutually exclusive :

• UseTrustedConnection bool `short:"E" xor:"uid, auth"
• UserName string `short:"U" xor:"uid"
• InputFile []string `short:"i" xor:"input1, input2" type:"existingFile"
• InitialQuery string `short:"q" xor:"input1"
• Query string `short:"Q" xor:"input2"
• DisableCmdAndWarn bool `short:"X" xor:"syscmd"
• AuthenticationMethod string `xor:"auth"
• UseAad bool `short:"G" xor:"auth"