interface_build {
    {r.null} 0
    {Sets values to null or sets null to values.}
    {entry map {Input raster map for managing nulls:} 0 raster}
    {entry setnull {Values to set to null (value, value, minvalue-maxvalue,...):} 0 ""}
    {entry null {Replace null with this value:} 0 ""}
    {checkbox -f {Only change nulls if map is floating-point} "" -f}
    {checkbox -i {Only change nulls if map is integer} "" -i}
    {checkbox -n {Only change nulls if map does not already have null file} "" -n}
    {checkbox -c {Create null file for all data cells} "" -c}
    {checkbox -r {Remove existing null file} "" -r}
}