- getCount
- release
Mark as no longer needed
- checkNode
Check - just this level.
- free
Discard with this block (for ever)
- getHighRecord
Greatest in page
- getId
- getLogger
- getMaxSize
- getRefStr
- getSplitKey
Return the split point for this record (need only be a key)
- hasAnyKeys
Test whether this page has any keys
- internalDelete
Delete a record - return the old value if there was one, else null - put back
modified blocks