def call(
        String taskRegExps,
        String fromRevision,
        String toRevision,
        String flockCredential,
        // @GRISHA
        HashMap options,
        Closure body
) {
/*
Options:
 - pullRequestLinkTemplate - default value "..bla bla",
 - taskLinkTemplate - default value "..bla bla",
 - environment - default value empty "",
 - deployer: {username, flockUserId},
 - serviceName - default value empty "",
*/
    def CHARON_VERSION = "master"
 // ...........


   // @GRISHA
    HashMap opts = [:] << [pullRequestLinkTemplate: "..bla bla", taskLinkTemplate:  "..bla bla", environment: "", serviceName: ""] << options

    try {
        body()

        try {
            send(msg, false)
        } (e) {
            // mark build unstable
            // write message "all is ok, but we can't send message to flock, check token"
        }
    } catch (e) {

        send(msg, true)

        throw e
    }
}