Layer Estimates:

Layer: Hydranten (ID:0)
Count: 198
Extent:

XMin: -14842598.7724365
YMin: -30240971.9583861
XMax: 693940.092078803
YMax: 30240971.9583861
Spatial Reference: 102100 (3857)

Layer: Hydrantenprüfung (ID:1)
Count: 387