Configuration interface to be implemented by most if not all PropertyResolver
types. Provides facilities for accessing and customizing the
used when converting property values from one type to another.
Note: as an alternative to fully replacing the
ConversionService, consider adding or removing individual
Converter instances by drilling into getConversionService()
and calling methods such as #addConverter.
Set whether to throw an exception when encountering an unresolvable placeholder
nested within the value of a given property. A false value indicates strict
resolution, i.e. that an exception will be thrown. A true value indicates
that unresolvable nested placeholders should be passed through in their unresolved
Implementations of PropertyResolver.getProperty(String) and its variants must inspect
the value set here to determine correct behavior when property values contain