boolean -> boolean

integer -> int32

double -> double

string -> string

array -> array (only basic types as values are supported)

DbusByte, DbusBool, DbusInt16, DbusUInt16, DbusInt32, DbusUInt32, DbusInt64, DbusUInt64, DbusDouble

DbusArray( int $type, array $elements [, string $signature] )

DbusDict( int $type, array $elements )

DbusVariant( mixed $data )

DbusStruct( string $signature, array $elements )

DbusSet( array $elements )

DbusObjectPath( string $path )