TypeDefinition :: checkDeleteEmpty - Check 'delete empty' option
This option is set, when one of the properties defined for the structure has been marked as "delete empty", i.e. instances are to be deleted when this property (usually references or relationships) become empty.
When calling the function with an invalid type definition, the function throws an exception.
Return value: Success ( bool )
The value is true when the function was executed successfully. Otherwise the value is set to false.