Root Project Gradle file

build.gradle.kts

project.buildscript { 
    // repository links to locate build script dependencies.
    repositories {
        google()
        jcenter()
    }
    // build script dependencies
    dependencies {
        val kotlin_version = "1.3.61"
        classpath("com.android.tools.build:gradle:4.0.0-alpha09")
        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}")
    }
}