ChatAnthropicContentBlock:
    | AnthropicTextBlockParam
    | AnthropicImageBlockParam
    | AnthropicToolUseBlockParam
    | AnthropicToolResultBlockParam
    | AnthropicDocumentBlockParam
    | AnthropicThinkingBlockParam
    | AnthropicRedactedThinkingBlockParam
    | AnthropicServerToolUseBlockParam
    | AnthropicWebSearchToolResultBlockParam
    | AnthropicWebSearchResultBlockParam
    | AnthropicSearchResultBlockParam