Currently one can set "async" flag on an index definition to indicate wether given index should be effective for synchronous commit or to be used for async indexing. For Hybrid Lucene indexing case
OAK-4412 we need to have a way where same index definition gets used in both.
As discussed on DL  for this to be done following changes need to be done
- Making async as a multi value property.
- Introducing a new IndexEditorProvider interface which can accept an IndexingContext instance (
OAK-4642). This provides access to