Classes

Prepare our Dependency Injection Container
The RedispatchHook is installed as an init hook that runs before all commands. If the commandline contains an alias or a site specification that points at a remote machine, then we will stop execution of the current command and instead run the command remotely.
Control the Drush runtime environment
The TildeExpansionHook is installed as a preValidate hook that runs before all commands. Argument or option values containing a leading tilde will be expanded to an absolute path.