Kotlin DSL (IntelliJ IDEA 2022)

build.gradle.kts

import org.gradle.kotlin.dsl.`kotlin-dsl`

// Path project_root/buildSrc

plugins{
    `kotlin-dsl`
}

repositories{
    mavenCentral()
}

build.gradle.kts (root)

import org.jetbrains.kotlin.gradle.tasks.KotlinCompile

// Path project root

plugins {
    kotlin("jvm") version "1.7.21"
}

group = "org.example"
version = "1.0-SNAPSHOT"

repositories {
    mavenCentral()
}

dependencies {
    implementation(Dependencies.Kotlin.stdlib)
    implementation(Dependencies.Kotlin.coroutines)
    implementation(Dependencies.Gson.base)
    implementation(Dependencies.Retrofit.base)
    implementation(Dependencies.Retrofit.gson)
    implementation(Dependencies.Retrofit.jaxb)
    implementation(Dependencies.Retrofit.scalars)
    testImplementation(kotlin("test"))
    testImplementation(Dependencies.Jupiter.api)
    testImplementation(Dependencies.Jupiter.params)
    testImplementation(Dependencies.Kluent.base)
    testImplementation(Dependencies.Mockk.base)
}

Dependencies.kt

// Path project_root/buildSrc/src/main/kotlin

object Dependencies {
    object Kotlin {
        val stdlib: String = "org.jetbrains.kotlin:kotlin-stdlib:${Versions.kotlin}"
        val coroutines: String = "org.jetbrains.kotlinx:kotlinx-coroutines-core:${Versions.coroutines}"
    }
    object Retrofit {
        val base: String = "com.squareup.retrofit2:retrofit:${Versions.retrofit}"
        val gson: String = "com.squareup.retrofit2:converter-gson:${Versions.retrofit}"
        val jaxb: String = "com.squareup.retrofit2:converter-jaxb:${Versions.retrofit}"
        val scalars: String = "com.squareup.retrofit2:converter-scalars:${Versions.retrofit}"
    }
    object Gson {
        val base: String = "com.google.code.gson:gson:${Versions.gson}"
    }
    object Jupiter {
        val api = "org.junit.jupiter:junit-jupiter-api:${Versions.jupiter}"
        val params = "org.junit.jupiter:junit-jupiter-params:${Versions.jupiter}"
    }
    object Kluent {
        val base = "org.amshove.kluent:kluent:${Versions.kluent}"
    }
    object Mockk {
        val base = "io.mockk:mockk:${Versions.mockk}"
    }
}

Versions.kt

// Path project_root/buildSrc/src/main/kotlin

object Versions {
    const val kotlin = "1.8.0"
    const val coroutines: String = "1.6.4"
    const val retrofit: String = "2.9.0"
    const val gson: String = "2.10.1"
    const val jupiter: String = "5.9.2"
    const val kluent: String = "1.72"
    const val mockk: String = "1.13.3"
}