> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ag2.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

## Classes

<p class="overview-symbol"><a href="/docs/api-reference/autogen/oai/oai_models/completion_usage/CompletionTokensDetails"><code>class CompletionTokensDetails</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/oai/oai_models/completion_usage/CompletionUsage"><code>class CompletionUsage</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/oai/oai_models/completion_usage/PromptTokensDetails"><code>class PromptTokensDetails</code></a></p>