Add custom ANTLR template to avoid Maven Replacer plugin.

Closes #3285

spring-data-jpa/pom.xml

@@ -336,29 +336,6 @@
 				</executions>
 			</plugin>
 
-			<plugin>
-				<groupId>com.google.code.maven-replacer-plugin</groupId>
-				<artifactId>maven-replacer-plugin</artifactId>
-				<version>1.4.1</version>
-				<executions>
-					<execution>
-						<phase>process-sources</phase>
-						<goals>
-							<goal>replace</goal>
-						</goals>
-						<configuration>
-							<basedir>${project.build.directory}/generated-sources</basedir>
-							<includes>
-								<include>antlr4/**/*.java</include>
-							</includes>
-							<variableTokenValueMap>
-								public class=class,public interface=interface
-							</variableTokenValueMap>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/HqlParserUnitTests.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.jpa.repository.query;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Unit tests to verify that our ANTLR customizations are in place.
+ *
+ * @author Mark Paluch
+ */
+class HqlParserUnitTests {
+
+	@Test // GH-3282
+	void shouldConsiderVisibility() {
+
+		assertThat(HqlParser.class).isPackagePrivate();
+		assertThat(HqlListener.class).isPackagePrivate();
+	}
+}