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

one use

	github.com/gotd/td/tg (current package)
		tl_input_file_location_slices_gen.go#L914: func (s InputPeerPhotoFileLocationArray) Retain(keep func(x InputPeerPhotoFileLocation) bool) InputPeerPhotoFileLocationArray {