fun String.toCamelCase() = lowercase().replace(Regex("_[a-z]")) { it.value[1].uppercase() }

/**
 * Define clean up rules for the project.
 * See https://www.jetbrains.com/help/teamcity/teamcity-data-clean-up.html#Clean-up+Rules
 *
 * @param historyDays days number of days to store build history .