CheckOverlapsUK validates each point in the flat coordinate list.

ExtractSpecialCols removes special column names like "geography_code" from the ValueSet, returning a reduced ValueSet, and the list of special columns found.

MapGeotypes changes case-insensitive geotypes given in query strings to the specific case-sensitive geotypes used in the db.

ValidateAllToken verifies that if there is an "ALL" specified, it is the only token.

CkmeansParams holds data and methods neccessary to parse and process data for ckmeans queries.