Saves a part of file for futher sending to one of the methods.
boolFalse#bc799737 = Bool;
boolTrue#997275b5 = Bool;
---functions---
upload.saveFilePart#b304a621 file_id:long file_part:int bytes:bytes = Bool;| file_id | long | Random file identifier created by the client |
| file_part | int | Numerical order of a part |
| bytes | bytes | Binary data, contend of a part |