var result = Index.entryIsConflict(entry);

var result = Index.entryStage(entry);

Index.open(index_path).then(function(index) {
  // Use index
});

index.add(source_entry).then(function(result) {
  // Use result
});

index.addAll(pathspec, flags, callback, payload).then(function(result) {
  // Use result
});

index.addByPath(path).then(function(result) {
  // Use result
});

var result = index.caps();

var oid = index.checksum();

index.clear().then(function(result) {
  // Use result
});

index.conflictAdd(ancestor_entry, our_entry, their_entry).then(function(result) {
  // Use result
});

index.conflictCleanup().then(function(result) {
  // Use result
});

index.conflictGet(path).then(function(indexEntry) {
  // Use indexEntry
});

index.conflictRemove(path).then(function(result) {
  // Use result
});

var arrayIndexEntry = index.entries();

var result = index.entryCount();

index.find(path).then(function(result) {
  // Use result
});

index.findPrefix(prefix).then(function(result) {
  // Use result
});

var indexEntry = index.getByIndex(n);

var indexEntry = index.getByPath(path, stage);

var result = index.hasConflicts();

var string = index.path();

index.read(force).then(function(result) {
  // Use result
});

index.readTree(tree).then(function(result) {
  // Use result
});

index.remove(path, stage).then(function(result) {
  // Use result
});

index.removeAll(pathspec, callback, payload).then(function(result) {
  // Use result
});

index.removeByPath(path).then(function(result) {
  // Use result
});

index.removeDirectory(dir, stage).then(function(result) {
  // Use result
});

var result = index.setCaps(caps);

var result = index.setVersion(version);

index.updateAll(pathspec, callback, payload).then(function(result) {
  // Use result
});

var result = index.version();

index.write().then(function(result) {
  // Use result
});

index.writeTree().then(function(oid) {
  // Use oid
});

index.writeTreeTo(repo).then(function(oid) {
  // Use oid
});