private void findRedundantDefinition(@NotNull PsiField field) {
      if (field.getType().equalsToText(LOGGER_SLF4J_FQCN)) {
        final PsiExpression initializer = field.getInitializer();
        final PsiClass containingClass = field.getContainingClass();
        if (initializer != null && containingClass != null) {
          if (initializer.getText().contains(format(LOGGER_INITIALIZATION, containingClass.getQualifiedName()))) {
            holder.registerProblem(field, LombokBundle.message("inspection.message.slf4j.logger.defined.explicitly"),
                                   LocalQuickFix.from(new UseSlf4jAnnotationQuickFix(field, containingClass)));
          }
        }
      }
    }
private void findRedundantDefinition(@NotNull PsiField field)