determineImports
Return a set of objects that represent the imports. Objects within the returned Set
must implement a valid hashCode and equals.
Imports from multiple DeterminableImports instances may be combined by the caller to create a complete set.
Unlike ImportSelector and ImportBeanDefinitionRegistrar any Aware callbacks will not be invoked before this method is called.
Return
a key representing the annotations that actually drive the import
Parameters
metadata
the source meta-data