in gradle-runner-agent/src/main/java/jetbrains/buildServer/gradle/runtime/service/jvmargs/JvmArg.java [58:65]
private static boolean isColonSeparatedArg(@NotNull String arg) {
int colonIndex = arg.indexOf(':');
int delimiterIndex = arg.indexOf(ARGS_DELIMITER);
return SUPPORTED_COLON_SEPARATED_ARG_PREFIXES.stream().anyMatch(prefix -> arg.startsWith(prefix))
&& !arg.startsWith("-XX:")
&& colonIndex > 0 && delimiterIndex <= 0;
}