<put algortithm description here>
Grid
[raster]Operation
[selection]<put parameter description here>
Options:
Default: 0
Search Mode
[selection]<put parameter description here>
Options:
Default: 0
Radius
[number]<put parameter description here>
Default: 1
Method
[selection]<put parameter description here>
Options:
Default: 0
Result Grid
[raster]processing.runalg('saga:gridshrinkexpand', input, operation, mode, radius, method_expand, result)