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offsetDefaultEndTime
The offset of the end time compared to the option defined in defaultEndTime. For example when the default end
time of the modifier is set to end run and an offset of 100 days is defined than the default end time of the modifier
will be set to end run plus 100 days.
defaultValidTime
If this option is configured than a valid time can be choosen for this modifier. The valid time always default to time zero.
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