presto-main/src/main/java/io/prestosql/execution/TaskManagerConfig.java/TaskManagerConfig/setHttpTimeoutThreads
class TaskManagerConfig:    @Config("task.http-timeout-threads")
    public TaskManagerConfig setHttpTimeoutThreads(int httpTimeoutThreads)
    {
        this.httpTimeoutThreads = httpTimeoutThreads;
        return this;
    }