code: function emitChangeEvent(emitter, path, log) {
          emitter.emit("file:changed", {
              path: path,
              log: log,
              namespace: "core",
              event: "change"
          });
      }
docs: Emit the internal `file:change` event
  @param {EventEmitter} emitter
  @param {string} path
  @param {boolean} [log]