Add a publishing step

build.gradle

@@ -9,6 +9,7 @@
 plugins {
     // Apply the java-library plugin for API and implementation separation.
     id 'java-library'
+    id 'maven-publish'
 }
 
 repositories {
@@ -24,3 +25,16 @@ dependencies {
     // This dependency is used internally, and not exposed to consumers on their own compile classpath.
     implementation 'com.google.guava:guava:31.1-jre'
 }
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            artifact jar
+        }
+    }
+    repositories {
+        maven {
+            url "file://${project.projectDir}/final"
+        }
+    }
+}