Node identifier where the log block originates
Name of the log stream this block belongs to
Sequential block number within the stream
Global line number where this block starts
Global line number where this block ends
Timestamp when this log block period began (milliseconds since epoch)
Timestamp when this log block period ended (milliseconds since epoch)
Total number of log lines in this block
Array of actual log line strings
Data exchange format for log lines with block metadata from KOS topics.
Used in topic handlers for log line events, containing both the actual log lines and the block metadata. Extends LogBlockType with the lines array.