# Functions
GenerateService generates new systemd Service.
GenerateTimer generates new systemd Timer.
NewClient creates new Client object.
NewConn establishes a new connection to D-Bus.
# Constants
DefaultUnitsDirectory represents the directory of user-defined systemd units.
# Structs
Client represents systemd D-Bus API client.
ServiceData represents data set of systemd Service.
TimerData represents data set of systemd Timer.