otsdb dragons:

 * ,____________________________,
 * | This class is reserved for |
 * | OpenTSDB's internal usage! |
 * `----------------------------'
 *       \                   / \  //\
 *        \    |\___/|      /   \//  \\
 *             /0  0  \__  /    //  | \ \
 *            /     /  \/_/    //   |  \  \
 *            @_^_@'/   \/_   //    |   \   \
 *            //_^_/     \/_ //     |    \    \
 *         ( //) |        \///      |     \     \
 *       ( / /) _|_ /   )  //       |      \     _\
 *     ( // /) '/,_ _ _/  ( ; -.    |    _ _\.-~        .-~~~^-.
 *   (( / / )) ,-{        _      `-.|.-~-.           .~         `.
 *  (( // / ))  '/\      /                 ~-. _ .-~      .-~^-.  \
 *  (( /// ))      `.   {            }                   /      \  \
 *   (( / ))     .----~-.\        \-'                 .~         \  `. \^-.
 *              ///.----../        \             _ -~             `.  ^-`  ^-_
 *                ///-._ _ _ _ _ _ _}^ - - - - ~                     ~-- ,.-~
 *                                                                   /.-~
 *              You've been warned by the dragon!