sandbox/src/main/java/org/robolectric/internal/bytecode/ShadowMap.java
private ShadowInfo checkShadowPickers(String instrumentedClassName, Class<?> clazz) {
    String shadowPickerClassName = shadowPickers.get(instrumentedClassName);
    if (shadowPickerClassName == null) {
      return null;
    }

    return pickShadow(instrumentedClassName, clazz, shadowPickerClassName);
  }
private ShadowInfo checkShadowPickers(String instrumentedClassName, Class<?> clazz) {
    String shadowPickerClassName = shadowPickers.get(instrumentedClassName);
    if (shadowPickerClassName == null) {
      return null;
    }

    return pickShadow(instrumentedClassName, clazz, shadowPickerClassName);
  }
todo: some caching would probably be nice here...