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- description: Optional description of the filter configuration. Used for reference purposes only.
- defaultFilterId: Filter that is selected automatically on start up of FEWS. If not defined no filter will be selected.
- timeSeriesSets: Optional element that may appear an unlimited amount of times. It is possible to explicitly define every (child)filter. This may result in to many repeating timeSeriesSet definitions. Therefore it is also possible (since version 2009.02) to define groups of timeSeriesSets that can be used many times in the filter, additionally by using constraints on the location attributes (see ??? timeSeriesSetId & constraints). Each <timeSeriesSets> element should contain an id attribute and one or more <timeSeriesSet> elements.
- filter: Required element with the definition of a filter. Multiple entries may exist where multiple filters are defined.
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