What are the SAP Group Reporting Data Collection mappings based on?

the SAP Group Reporting Data Collection mappings are based on data collection configuration tables2.

The SAP Group Reporting Data Collection mappings are based on data collection configuration tables. These tables store the mapping rules and definitions that enable the system to import data from various data sources into the SAP Group Reporting Data Collection system. (Reference: https://help.sap.com/viewer/0fa84c9d9c634132a6c3d6f3508c54a3/1809.002/en-US/0b3dbd7c264b62a7e2d2a1e7d31fbc.html)