code: func (c Config) OnRemoveFilterSet(reasons ...RemoveReason) Config {
  	c.onRemoveFilter = 0
  	for i := range reasons {
  		c.onRemoveFilter |= 1 << uint(reasons[i])
  	}
  
  	return c
  }
docs: // OnRemoveFilterSet sets which remove reasons will trigger a call to OnRemoveWithReason.
  // Filtering out reasons prevents bigcache from unwrapping them, which saves cpu.