public Builder withTaskToDomain(Map<String, String> taskToDomain) {
            this.taskToDomain = taskToDomain;
            return this;
        }
@param eurekaClient Eureka client - used to identify if the server is in discovery or
    not. When the server goes out of discovery, the polling is terminated. If passed
    null, discovery check is not done.
@return Builder instance
client/src/main/java/com/netflix/conductor/client/automator/TaskRunnerConfigurer.java