function exec(commandLine, args, options) {
    return __awaiter(this, void 0, void 0, function* () {
        const commandArgs = tr.argStringToArray(commandLine);
        if (commandArgs.length === 0) {
            throw new Error(`Parameter 'commandLine' cannot be null or empty.`);
        }
        // Path to tool to execute should be first arg
        const toolPath = commandArgs[0];
        args = commandArgs.slice(1).concat(args || []);
        const runner = new tr.ToolRunner(toolPath, args, options);
        return runner.exec();
    });
}
Exec a command.
Output will be streamed to the live console.
Returns promise with return code

@param     commandLine        command to execute (can include additional args). Must be correctly escaped.
@param     args               optional arguments for tool. Escaping is handled by the lib.
@param     options            optional exec options.  See ExecOptions
@returns   Promise<number>    exit code