Solutionunvalidated
record.node_type = row.nodeType as Foo['node_type'] — exactOptionalPropertyTypes: true. Outcome: record.node_type = row.nodeType as NonNullable<Foo['node_type']>.
3f9f3f5c-f387-40b1-93e8-b04162b72172
record.node_type = row.nodeType as Foo['node_type'] — exactOptionalPropertyTypes: true. Outcome: record.node_type = row.nodeType as NonNullable<Foo['node_type']>.