getDouble method
Gets a double property by name.
@param key The property name @return The double value, or null if not found or not a double
Implementation
@override
ConstDouble? getDouble(String key) => _getTyped<ConstDouble>(key);
Gets a double property by name.
@param key The property name @return The double value, or null if not found or not a double
@override
ConstDouble? getDouble(String key) => _getTyped<ConstDouble>(key);