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

one use

	github.com/gotd/td/tg (current package)
		tl_input_payment_credentials_slices_gen.go#L57: func (s InputPaymentCredentialsClassArray) Retain(keep func(x InputPaymentCredentialsClass) bool) InputPaymentCredentialsClassArray {