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## Uses of Interface
org.opengis.filter.PropertyIsNull

Packages that use PropertyIsNull
org.opengis.filter | Filters features according their properties.

Uses of PropertyIsNull in org.opengis.filter

Methods in org.opengis.filter that return PropertyIsNull
`PropertyIsNull` | `FilterFactory.isNull(Expression expr)` Checks if an expression's value is `null`.

Methods in org.opengis.filter with parameters of type PropertyIsNull
`Object` | `FilterVisitor.visit(PropertyIsNull filter, Object extraData)`

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