RefFilter (JGit - Parent 6.4.0.202211300538-r API)

```
public interface RefFilter
```
Filters the list of refs that are advertised to the client.
The filter is called by ReceivePack and UploadPack to ensure that the refs are filtered before they are advertised to the client.
This can be used by applications to control visibility of certain refs based on a custom set of rules.

Field Summary

Fields
Modifier and Type Field Description

static RefFilter DEFAULT
The default filter, allows all refs to be shown.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Map<String,Ref>`	`filter(Map<String,Ref> refs)`	Filters a `Map` of refs before it is advertised to the client.

- Field Detail
  - DEFAULT
```
static final RefFilter DEFAULT
```
    The default filter, allows all refs to be shown.
- Method Detail
  - filter
```
Map<String,Ref> filter(Map<String,Ref> refs)
```
    Filters a Map of refs before it is advertised to the client.
    
    Parameters:
    
    refs - the refs which this method need to consider.
    
    Returns:
    
    the filtered map of refs.