jme kotlin example build gradle with serialization that builds ok

build.gradle

plugins {
    id 'java'
    id 'org.jetbrains.kotlin.jvm' version '1.4.30'
    id 'org.jetbrains.kotlin.plugin.serialization' version '1.4.30'
}

group 'org.example'
version '1.0-SNAPSHOT'

ext.jmonkeyengineVersion = '3.3.2-stable'

repositories {
    mavenCentral()
}

dependencies {

    implementation "org.jmonkeyengine:jme3-core:$jmonkeyengineVersion"
    implementation "org.jmonkeyengine:jme3-plugins:$jmonkeyengineVersion"
    implementation "org.jmonkeyengine:jme3-effects:$jmonkeyengineVersion"
    implementation "org.jmonkeyengine:jme3-desktop:$jmonkeyengineVersion"

    runtimeOnly "org.jmonkeyengine:jme3-lwjgl:$jmonkeyengineVersion"  // LWJGL 2.x
    //runtimeOnly "org.jmonkeyengine:jme3-lwjgl3:$jmonkeyengineVersion" // LWJGL 3.x

    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.1.0"
}

compileKotlin {
    kotlinOptions.jvmTarget = "1.8"
}
compileTestKotlin {
    kotlinOptions.jvmTarget = "1.8"
}