<commit_before>#### 0.12.3
  * Don't output log files by default in release mode, and provide option to
    turn them off entirely.
  * Changed the api for the ObserveTransformer to use named arguments.
  
#### 0.12.2+1
  * Cleanup some method signatures.

#### 0.12.2
  * Updated to match release 0.5.1
    [observe-js#d530515](https://github.com/Polymer/observe-js/commit/d530515).

#### 0.12.1+1
  * Expand stack_trace version constraint.

#### 0.12.1
  * Upgraded error messages to have a unique and stable identifier.

#### 0.12.0
  * Old transform.dart file removed. If you weren't use it it, this change is
    backwards compatible with version 0.11.0.<commit_msg>change to named arguments in the transformer<commit_after>#### 0.12.3
  * Don't output log files by default in release mode, and provide option to
    turn them off entirely.
  * Changed the api for the ObserveTransformer to use named arguments.

#### 0.12.2+1
  * Cleanup some method signatures.

#### 0.12.2
  * Updated to match release 0.5.1
    [observe-js#d530515](https://github.com/Polymer/observe-js/commit/d530515).

#### 0.12.1+1
  * Expand stack_trace version constraint.

#### 0.12.1
  * Upgraded error messages to have a unique and stable identifier.

#### 0.12.0
  * Old transform.dart file removed. If you weren't use it it, this change is
    backwards compatible with version 0.11.0.
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{'dir': 'git-commits-cleaned', 'id': '5468642', 'n_tokens_mistral': 488, 'n_tokens_neox': 438, 'n_words': 157}