public function getRefreshToken($tenantKey)
    {
        $tenantKey = $tenantKey == null ? $this->tenantKey : $tenantKey;
        if ($this->tenantTokens[$tenantKey] == null) {
            $this->tenantTokens[$tenantKey] = array();
        }
        return isset($this->tenantTokens[$tenantKey]['refreshToken'])
            ? $this->tenantTokens[$tenantKey]['refreshToken']
            : null;
    }
public function getRefreshToken($tenantKey)
    {
        $tenantKey = $tenantKey == null ? $this->tenantKey : $tenantKey;
        if ($this->tenantTokens[$tenantKey] == null) {
            $this->tenantTokens[$tenantKey] = array();
        }
        return isset($this->tenantTokens[$tenantKey]['refreshToken'])
            ? $this->tenantTokens[$tenantKey]['refreshToken']
            : null;
    }
public function getRefreshToken ( $ tenantKey ) { $ tenantKey = $ tenantKey == null ? $ this -> tenantKey : $ tenantKey ; if ( $ this -> tenantTokens [ $ tenantKey ] == null ) { $ this -> tenantTokens [ $ tenantKey ] = array ( ) ; } return isset ( $ this -> tenantTokens [ $ tenantKey ] [ 'refreshToken' ] ) ? $ this -> tenantTokens [ $ tenantKey ] [ 'refreshToken' ] : null ; }
Get the refresh token for the tenant.

@param string $tenantKey
@return string Refresh token for the tenant
Get the refresh token for the tenant .