xtable-core/src/main/java/org/apache/xtable/avro/AvroSchemaConverter.java (3 lines):
	- line 100: // TODO - Does not handle recursion in Avro schema
	- line 163: // TODO: https://github.com/apache/incubator-xtable/issues/672
	- line 169: // TODO: https://github.com/apache/incubator-xtable/issues/672


xtable-core/src/main/java/org/apache/xtable/delta/DeltaStatsExtractor.java (2 lines):
	- line 153: // TODO: Additional work needed to track nulls maps & arrays.
	- line 193: // TODO: Additional work needed to track maps & arrays.


xtable-core/src/main/java/org/apache/xtable/iceberg/IcebergConversionSource.java (1 line):
	- line 113: // TODO select snapshot specific partition spec