Introduce a MapPropertyType, similar to ListPropertyType etc.
Make sure it can be created in different ways as in CollectionPropertyType: allow to supply a custom PropertyType<Map<String, …>> but also make it possible to just specify the PropertyType<V> valueType
Note: The keys of a Map are always String. This should not be overridable!
Add unit tests
Notes
The result map property type and map property should be similar to SetPropertyType and SetProperty: make sure the entries are kept in insertion order (i.e. use LinkedHashMap) and that the default value / returned values are immutable.
To do
MapPropertyType, similar toListPropertyTypeetc.CollectionPropertyType: allow to supply a customPropertyType<Map<String, …>>but also make it possible to just specify thePropertyType<V> valueTypeString. This should not be overridable!Notes
The result map property type and map property should be similar to
SetPropertyTypeandSetProperty: make sure the entries are kept in insertion order (i.e. useLinkedHashMap) and that the default value / returned values are immutable.