Turned into an object for easier Java access.

src/main/resources/semver-kt.mustache

@@ -12,21 +12,33 @@ import java.util.*
  * @author <a href="https://github.com/ethauvin/semver">Semantic Version
  *         Annotation Processor</a>
  */
-open class {{className}}
+object {{className}} {
-private constructor() {
+    @JvmField
-    companion object {
     val project = "{{project}}"
 
+    @JvmField
     val buildDate = Date({{epoch}}L)
+
+    @JvmField
     val major = {{major}}
+
+    @JvmField
     val minor = {{minor}}
+
+    @JvmField
     val patch = {{patch}}
+
+    @JvmField
     val buildMeta = "{{buildMeta}}"
+
+    @JvmField
     val preRelease = "{{preRelease}}"
 
+    @JvmStatic
     val version: String
         get() = ("$major.$minor.$patch" + preReleaseWithPrefix() + buildMetaWithPrefix())
 
+    @JvmStatic
     fun preReleaseWithPrefix(prefix: String = "-"): String {
         return if (preRelease.isNotEmpty() && prefix.isNotEmpty()) {
             "$prefix$preRelease"
@@ -35,6 +47,7 @@ private constructor() {
         }
     }
 
+    @JvmStatic
     fun buildMetaWithPrefix(prefix: String = "+"): String {
         return if (buildMeta.isNotEmpty() && prefix.isNotEmpty()) {
             "$prefix$buildMeta"
@@ -43,4 +56,3 @@ private constructor() {
         }
     }
 }
-}