fun dependency(buildType: BuildType, init: Dependency.() -> Unit): Unit
Adds a dependency on specified buildType, it should be further configured using snapshot() and artifacts() methods
buildType - buildType to depend on
init - function to initialize the dependency
fun dependency(buildTypeExtId: String, init: Dependency.() -> Unit): Unit
Adds a dependency on the buildType with the specified id, it should be further configured using snapshot() and artifacts() methods. Useful when buildType is not defined in kotlin.