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Group ID - a unique identifier for a group (integer).
Group Name - a user-defined name for a group.
Group Type - may be one of the following:
General - used if you prefer do not to specify bay type;
Marked spaces - parking bays with boundary markings
Unmarked parking bay - parking bays without boundary markings;
Standalone car counters - a single sensor car counter;Array car counters - multi-sensors car counter used for multiple lanes.
Level - level object associated with a group.
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