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

one use

	github.com/gotd/td/tg (current package)
		tl_input_encrypted_file_slices_gen.go#L471: func (s InputEncryptedFileBigUploadedArray) Retain(keep func(x InputEncryptedFileBigUploaded) bool) InputEncryptedFileBigUploadedArray {