A scripting ctx map with metadata for write ingest contexts. Delegates all metadata updates to metadata and
all other updates to source. Implements the Map interface for backwards compatibility while performing
validation via Metadata.
Nested Class Summary
Nested classes/interfaces inherited from class java.util.AbstractMap
Does this access to the internal source map occur directly via ctx? ie ctx['myField'].
Or does it occur via the SOURCE key? ie ctx['_source']['myField'].
Defaults to indirect, ctx['_source']