public function setSigner($role, $email_or_signer, $name = null)
    {
        return parent::addSigner($email_or_signer, $name, $role);
    }
public function setSigner($role, $email_or_signer, $name = null)
    {
        return parent::addSigner($email_or_signer, $name, $role);
    }
public function setSigner ( $ role , $ email_or_signer , $ name = null ) { return parent :: addSigner ( $ email_or_signer , $ name , $ role ) ; }
Set the signer to the list of signers for this request

@param  string $role
@param  mixed $email_or_signer
@param  string $name
@return TemplateSignatureRequest
@see    AbstractSignatureRequest::addSigner()
Set the signer to the list of signers for this request