com/vendor/gopkg.in/src-d/go-git.v4/plumbing/object/commitgraph/doc.go

// Package commitgraph provides an interface for efficient traversal over Git
// commit graph either through the regular object storage, or optionally with
// the index stored in commit-graph file (Git 2.18+).
//
// The API and functionality of this package are considered EXPERIMENTAL and is
// not considered stable nor production ready.
package commitgraph