Record type with column type.
type RecordWithColumn<"aaa"|"bbb"> => Record<"aaa"|"bbb", string>type RecordWithColumn<string> => Record<string, string | undefined> Copy
type RecordWithColumn<"aaa"|"bbb"> => Record<"aaa"|"bbb", string>type RecordWithColumn<string> => Record<string, string | undefined>
Record type with column type.