import xsbti.api.Source
import xsbti.DependencyContext

 * Represents the kind of dependency that exists between `sourceFile` and either `targetFile`
 * or `targetClassName`.
 * `InternalDependency` represent dependencies that exist between the files of a same project,
 * while `ExternalDependency` represent cross-project dependencies.
private[inc] final case class InternalDependency(sourceFile: File, targetFile: File, context: DependencyContext)
private[inc] final case class ExternalDependency(sourceFile: File, targetClassName: String, targetSource: Source, context: DependencyContext)