private function provideProjections($include)
{
$project = $include ? 1 : 0;
return ['multiple arguments' => [['foo', 'bar'], ['foo' => $project, 'bar' => $project]], 'no arguments' => [[], []], 'array argument' => [[['foo', 'bar']], ['foo' => $project, 'bar' => $project]], 'empty array' => [[[]], []]];
}