func (c *Connector) FetchSize() int {
	c.mu.RLock()
	defer c.mu.RUnlock()
	return c.fetchSize
}
func (c *Connector) FetchSize() int {
	c.mu.RLock()
	defer c.mu.RUnlock()
	return c.fetchSize
}
func ( c * Connector ) FetchSize ( ) int { c . mu . RLock ( ) defer c . mu . RUnlock ( ) return c . fetchSize }
// FetchSize returns the fetchSize of the connector.
FetchSize returns the fetchSize of the connector .