> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # AnthropicCacheControlDirectiveType ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.AnthropicCacheControlDirectiveTypeEphemeral ``` ## Values | Name | Value | | --------------------------------------------- | --------- | | `AnthropicCacheControlDirectiveTypeEphemeral` | ephemeral |