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@Target(ElementType.FIELD)
@Retention(RetentionPolicy.SOURCE)
  public @interface Depend {
}

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// Android gradle plugin 3.0+
compileOnly project(':annotations')
// Android gradle plugin < 3.0
provided project(':annotations')

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@Depend
protected String name;

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com.equaleyes.processor.DependProcessor

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@Override
public Set getSupportedAnnotationTypes() {
  return new LinkedHashSet() {{
    add(Depend.class.getCanonicalName());
  }};
}

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Map<Element, List> dependants = new HashMap<>();

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Set<? extends Element> fields = roundEnvironment.getElementsAnnotatedWith(Depend.class);

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field.getModifiers().contains(Modifier.PRIVATE)

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Element parent = field.getEnclosingElement();

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@Override
public synchronized void init(ProcessingEnvironment processingEnvironment) {
  super.init(processingEnvironment);
  elementUtils = processingEnvironment.getElementUtils();
  filer= processingEnvironment.getFiler();
  messager= processingEnvironment.getMessager();
}