1# Auto Common Utilities 2 3## Overview 4 5The Auto project has a set of common utilities to help ease use of the 6annotation processing environment. 7 8## Utility classes of note 9 10`MoreTypes` 11: Utilities and `Equivalence` wrappers for `TypeMirror` and related subtypes 12 13`MoreElements` 14: Utilities for `Element` and related subtypes 15 16`SuperficialValidation` 17: Very simple scanner to ensure an `Element` is valid and free from distortion 18 from upstream compilation errors 19 20`Visibility` 21: Utilities for working with `Element`s' visibility levels (public, protected, 22 etc.) 23 24`BasicAnnotationProcessor`/`Step` 25: Simple types that 26 - implement a validating annotation processor 27 - defer invalid elements until later 28 - break processor actions into multiple steps (which may each handle 29 different annotations) 30 31## Usage/Setup 32 33Auto common utilities have a standard [Maven](http://maven.apache.org) setup 34which can also be used from Gradle, Ivy, Ant, or other systems which consume 35binary artifacts from the central Maven binary artifact repositories. 36 37```xml 38<dependency> 39 <groupId>com.google.auto</groupId> 40 <artifactId>auto-common</artifactId> 41 <version>1.0-SNAPSHOT</version> <!-- or use a known release version --> 42</dependency> 43``` 44