LlmTokenCountCallback (newrelic-api 8.15.0 API)

```
public interface LlmTokenCountCallback
```
An interface for calculating the number of tokens used for a given LLM (Large Language Model) and content.
Implement this interface to define custom logic for token calculation based on your application's requirements.

Example usage:
```
{@code
 class MyTokenCountCallback implements LlmTokenCountCallback {
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`calculateLlmTokenCount(java.lang.String model, java.lang.String content)`	Calculates the number of tokens used for a given LLM model and content.

- Method Detail
  - calculateLlmTokenCount
```
int calculateLlmTokenCount(java.lang.String model,
                           java.lang.String content)
```
    Calculates the number of tokens used for a given LLM model and content.
    
    Parameters:
    
    model - The name of the LLM model.
    
    content - The message content or prompt.
    
    Returns:
    
    An integer representing the number of tokens used for the given model and content. If the count cannot be determined or is less than or equal to 0, 0 is returned.