in src/main/groovy/org/jetbrains/gradle/ext/ModuleTypesConfig.groovy [24:34]
void putAt(SourceSet targetSourceSet, String moduleType) {
if (!project.hasProperty('sourceSets')) {
project.logger.warn("Can not register a module type [$moduleType] for a source set [$targetSourceSet] as no source sets are configured")
return
}
if (!project.sourceSets.contains(targetSourceSet)) {
project.logger.warn("Attempt to set a module type [$moduleType] for a source set [$targetSourceSet] that does not belong to current project")
return
}
typesMap[targetSourceSet] = moduleType
}