src/XSD2PHP/lib/ZF/1.10.7/Zend/Console/Getopt.php
public function setOption($configKey, $configValue)
    {
        if ($configKey !== null) {
            $this->_getoptConfig[$configKey] = $configValue;
        }
        return $this;
    }
public function setOption($configKey, $configValue)
    {
        if ($configKey !== null) {
            $this->_getoptConfig[$configKey] = $configValue;
        }
        return $this;
    }
Define one configuration option as a key/value pair.
These are not program options, but properties to configure
the behavior of Zend_Console_Getopt.

@param  string $configKey
@param  string $configValue
@return Zend_Console_Getopt Provides a fluent interface