net/http.http2sortPriorityNodeSiblingsRFC7540.Swap (method, view implemented interface methods)

one use

	net/http (current package)
		h2_bundle.go#L11610: func (z http2sortPriorityNodeSiblingsRFC7540) Swap(i, k int) { z[i], z[k] = z[k], z[i] }