``` plugins { val kotlinVersion = "1.2.20" ...

# gradle

[sdeleuze]

plugins {
    val kotlinVersion = "1.2.20"
    id("org.jetbrains.kotlin.jvm") version kotlinVersion
    id("org.jetbrains.kotlin.plugin.spring") version kotlinVersion
    id("org.springframework.boot") version "2.0.0.M7"
    id("io.spring.dependency-management") version "1.0.4.RELEASE"
}

extra["kotlin.version"] = plugins.getPlugin(KotlinPluginWrapper::class.java).kotlinPluginVersion