public function incrementMajor($amount = 1)
    {
        $this->major += $amount;
        $this->minor = 0;
        $this->patch = 0;

        return $this;
    }
public function incrementMajor($amount = 1)
    {
        $this->major += $amount;
        $this->minor = 0;
        $this->patch = 0;

        return $this;
    }
public function incrementMajor ( $ amount = 1 ) { $ this -> major += $ amount ; $ this -> minor = 0 ; $ this -> patch = 0 ; return $ this ; }
Increments the major version number and resets the minor and patch
version numbers to zero.

@param integer $amount Increment by what amount?

@return Builder The Version builder.
Increments the major version number and resets the minor and patch version numbers to zero .