Contains check if a slice contains an element.

IsPublicIPv4 function returns true when IP is public IPv4 otherwise returns false.

WrapStr function returns nil when value is empty otherwise returns value in wrappers.StringValue format.

WrapTime function returns nil when an error occurred or time is empty otherwise returns time in timestamp.Timestamp format.

WrapUint32 function returns nil when an error occurred otherwise returns value in wrappers.UInt32Value format.

WrapUint64 function returns nil when an error occurred otherwise returns value in wrappers.UInt64Value format.