in extractor/src/main/scala/org/jetbrains/sbt/extractors/DependenciesExtractor.scala [203:211]
private def mapCustomSourceConfigurationIfApplicable(configuration: Configuration): Configuration = {
val matchIDEAScopes = IDEAScopes.contains(configuration.name)
val isSourceConfiguration = sourceConfigurationsNames.contains(configuration.name)
if (!matchIDEAScopes && isSourceConfiguration) {
Configuration.Compile
} else {
configuration
}
}