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

one use

	github.com/gotd/td/tg (current package)
		tl_page_block_slices_gen.go#L1392: func (s PageBlockPullquoteArray) Retain(keep func(x PageBlockPullquote) bool) PageBlockPullquoteArray {