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

one use

	github.com/gotd/td/tg (current package)
		tl_page_block_slices_gen.go#L2554: func (s PageBlockRelatedArticlesArray) Retain(keep func(x PageBlockRelatedArticles) bool) PageBlockRelatedArticlesArray {