| DataPoint | Represents a single Point in the DataSeries. |
| DataSeries | Represents a channel in a PQDS File. |
| MetaDataTag | Abstract Class of MetaData Tags for a PQDSFile. |
| MetaDataTagDataType | Class of MetaData Tags for a PQDSFile. |
| PQDSFile | Class that represents a PQDS file. |
| PQDSMetaDataType | PQDS metadata tag Datatypes according to PQDS spec. |