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

one use

	github.com/gotd/td/tg (current package)
		tl_input_payment_credentials_slices_gen.go#L191: func (s InputPaymentCredentialsSavedArray) Retain(keep func(x InputPaymentCredentialsSaved) bool) InputPaymentCredentialsSavedArray {