```r
alg = "qgis:eliminatesliverpolygons"
get_usage(alg)
#>ALGORITHM: Eliminate sliver polygons
#>	INPUT <ParameterVector>
#>	KEEPSELECTION <ParameterBoolean>
#>	ATTRIBUTE <parameters from INPUT>
#>	COMPARISON <ParameterSelection>
#>	COMPARISONVALUE <ParameterString>
#>	MODE <ParameterSelection>
#>	OUTPUT <OutputVector>
#>	...
```