src/Riak/Command/Builder/MapReduce/FetchObjects.php
public function addBucketInput(Riak\Bucket $bucket)
    {
        // default bucket type cannot be passed to the MR api due to a bug
        if ($bucket->getType() == 'default') {
            $input = $bucket->getName();
        } else {
            $input = [$bucket->getType(), $bucket->getName()];
        }

        $this->inputs[] = $input;

        return $this;
    }
public function addBucketInput(Riak\Bucket $bucket)
    {
        // default bucket type cannot be passed to the MR api due to a bug
        if ($bucket->getType() == 'default') {
            $input = $bucket->getName();
        } else {
            $input = [$bucket->getType(), $bucket->getName()];
        }

        $this->inputs[] = $input;

        return $this;
    }
addBucketInput

@param Riak\Bucket $bucket

@return $this