Generating roles with Keycloak Java client

GroupsCreate.java

import static java.lang.System.out;

import org.keycloak.admin.client.KeycloakBuilder;
import org.keycloak.representations.idm.GroupRepresentation;

public class GroupsCreate {

	private static final String KEYCLOAK_HOST = "http://localhost:8080";
	private static final String USERNAME = "wsiqueir";
	private static final String PASSWORD = "test";
	private static final String REALM = "master";
	private static final String CLIENT_ID = "admin-cli";
	private static final String CLIENT_SECRET = "2Dg5ErfaHPPzJQxVWfqZVq8wYpD6Hdb5";

	private static final String TARGET_REALM = "rhdh";
	private static final String TARGET_USER = "john";
	private static final int TOTAL_GROUPS = 1000;
	private static final String GROUP_PREFIX = "0_test_group_from_client";

	public static void main(String... args) {

		var keycloak = KeycloakBuilder.builder()
								      .serverUrl(KEYCLOAK_HOST)
								      .realm(REALM)
								      .username(USERNAME)
								      .password(PASSWORD).clientId(CLIENT_ID).clientSecret(CLIENT_SECRET).build();
		var realm = keycloak.realm(TARGET_REALM);
		// var groups = realm.groups();

		var user = realm.users().search(TARGET_USER).get(0);
		out.println("Groups will be added to user " + user.getUsername());

		for (int i = 0; i < TOTAL_GROUPS; i++) {
			var newGroup = new GroupRepresentation();
			newGroup.setName(GROUP_PREFIX + "_" + i);
			System.out.println("Adding group " + newGroup.getName());
			realm.groups().add(newGroup);
			// System.out.println("Adding group " + newGroup.getName() + " to user " +
			// user.getUsername());
		}
		// keycloak.realm(TARGET_REALM).groups().add(groupRepresentation);

	}
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>org.test</groupId>
	<artifactId>keycloak-groups-create</artifactId>
	<version>0.0.1-SNAPSHOT</version>

	<properties>
		<maven.compiler.target>21</maven.compiler.target>
		<maven.compiler.source>21</maven.compiler.source>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.keycloak</groupId>
			<artifactId>keycloak-admin-client</artifactId>
			<version>24.0.5</version>
		</dependency>

	</dependencies>
</project>