> ## 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/agentchat/contrib/capabilities/transforms/MessageHistoryLimiter"><code>class MessageHistoryLimiter</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/agentchat/contrib/capabilities/transforms/MessageTokenLimiter"><code>class MessageTokenLimiter</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/agentchat/contrib/capabilities/transforms/MessageTransform"><code>class MessageTransform</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/agentchat/contrib/capabilities/transforms/TextMessageCompressor"><code>class TextMessageCompressor</code></a></p><p class="overview-symbol"><a href="/docs/api-reference/autogen/agentchat/contrib/capabilities/transforms/TextMessageContentName"><code>class TextMessageContentName</code></a></p>