@NotNull
  public static String getFieldMethodName(@NotNull PsiAnnotation annotation, @NotNull String fieldName) {
    final String prefix = AnnotationUtil.getDeclaredStringAttributeValue(annotation, "prefix");
    return prefix == null ? "set" + StringUtil.capitalize(fieldName)
                          : prefix.isEmpty() ? fieldName
                                             : prefix + StringUtil.capitalize(fieldName);
  }
@NotNull
  public static String getFieldMethodName(@NotNull PsiAnnotation annotation, @NotNull String fieldName)