AlwaysMatcher returns a matcher that will always match all paths.

Append accepts an existing PathMatcher and returns a new one that attaches all the paths from message with the existing paths.

AppendSingle accepts an existing PathMatcher and returns a new one that attaches the single path from message with the existing paths.

Empty returns an empty PathMatcher that will by default match nothing.

Parse accepts a json.RawMessage and outputs a formatted Matcher object.

PathMatcher contains a slice of paths that represent paths through the values to relevant/tracked attributes.

Matcher provides an interface for stepping through changes following an attribute path.