spanner-data-validator-java/src/main/java/com/google/migration/dto/HashResult.java (3 lines):
	- line 116: // TODO: This uses millisecond precision; consider using microsecond precision
	- line 208: // TODO: we're assuming OTHER is jsonb (FIX)
	- line 280: // TODO: This uses millisecond precision; consider using microsecond precision


spanner-data-validator-java/src/main/java/com/google/migration/Helpers.java (1 line):
	- line 172: // TODO: optimize schema building (maybe pass it in)


spanner-data-validator-java/src/main/java/com/google/migration/common/ShardFileReader.java (1 line):
	- line 114: // TODO - create a structure for the shard config and map directly to the object


spanner-data-validator-java/src/main/java/com/google/migration/DataTransforms.java (1 line):
	- line 100: // TODO: consider Instant