GH-1152 - ApplicationModules now exposes root packages.

Author: odrotbohm

spring-modulith-core/src/main/java/org/springframework/modulith/core/ApplicationModules.java

@@ -301,6 +301,16 @@ public Object getSource() {
 		return metadata.getSource();
 	}
 
+	/**
+	 * Returns all root packages.
+	 *
+	 * @return will never be {@literal null}.
+	 * @since 1.4
+	 */
+	public List<JavaPackage> getRootPackages() {
+		return Collections.unmodifiableList(rootPackages);
+	}
+
 	/**
 	 * Returns all {@link ApplicationModule}s registered as shared ones.
 	 *