## 2.2.0
- Added new response types `Success`, `StringResponse`, `BoolResponse`, and `StringListResponse`.
- Added  contributing guide (`CONTRIBUTING.md`).

## 2.1.0
- Added `getProjectRoots` API.
- Expose constant values from `dtd.dart`.

## 2.0.0

- Documentation improvements.
- Deprecate use of `DTDConnection` in favor of `DartToolingDaemon`.

## 1.0.0

- Solidified interface with dart tooling daemon.
- Added FileSystem service interface.

## 0.0.3

- Added types to service and extension exports.

## 0.0.2

- Added service and extension for accessing the file system through DTD.

## 0.0.1

- Initial version.
