| CountTokensAsync(CountTokensRequest) | Counts tokens asynchronously based on the provided request. |
| CountTokensAsync(GenerateContentRequest) | Counts the number of tokens in the content based on the provided GenerateContentRequest. |
| CountTokensAsync(IEnumerableContent) | Asynchronously counts the tokens in the given contents. |
| CountTokensAsync(IEnumerablePart) | Asynchronously counts the tokens in the provided collection of parts. |