code/Debug/Model/RequestInfo.php
public function getBlock($blockName)
    {
        if (!array_key_exists($blockName, $this->blocks)) {
            throw new Exception('Unable to find block with name ' . $blockName);
        }

        return $this->blocks[$blockName];
    }
public function getBlock($blockName)
    {
        if (!array_key_exists($blockName, $this->blocks)) {
            throw new Exception('Unable to find block with name ' . $blockName);
        }

        return $this->blocks[$blockName];
    }
Returns block information associated to specified block name

@param $blockName
@return Sheep_Debug_Model_Block
@throws Exception