zetasql-toolkit-core/src/main/java/com/google/zetasql/toolkit/tools/lineage/ColumnLineageExtractor.java (2 lines):
	- line 72: // TODO: expandColumns() is also defined in ParentColumnFinder. Generalize.
	- line 203: // TODO: buildColumnSubfield() is also defined in ParentColumnFinder. Generalize.


zetasql-toolkit-core/src/main/java/com/google/zetasql/toolkit/catalog/CatalogOperations.java (1 line):
	- line 90: // TODO: switch to using Catalog.findFunction once available