TagKey (Spring Cloud Sleuth API 3.1.11 API)

```
public interface TagKey
```
Represents a tag key.

Since:

3.1.0

Author:

Marcin Grzejszczak

- Method Summary
  
  All Methods Static Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  String getKey()
  
  static TagKey[] merge(TagKey[]... tags)
  Merges arrays of tags.

- Method Detail
  - getKey
```
String getKey()
```
    Returns:
    
    tag key
  - merge
```
static TagKey[] merge(TagKey[]... tags)
```
    Merges arrays of tags.
    
    Parameters:
    
    tags - array of tags
    
    Returns:
    
    a merged array of tags