babel-traverse: Denote that path keys may be indexes
babel-traverse: Denote that path keys may be indexes

AgentME/DefinitelyTyped,mcliment/DefinitelyTyped,borisyankov/DefinitelyTyped,AgentME/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,magny/DefinitelyTyped,magny/DefinitelyTyped,borisyankov/DefinitelyTyped,markogresak/DefinitelyTyped,AgentME/DefinitelyTyped,AgentME/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped