github.com/gotd/td/tg.SecureValueErrorFrontSideArray.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_secure_value_error_slices_gen.go#L338: func (s SecureValueErrorFrontSideArray) Retain(keep func(x SecureValueErrorFrontSide) bool) SecureValueErrorFrontSideArray {