# Structs
CallExtensionCacheEntry is a cache entry for the cache that can be used with the CallExtension call via the WithCaching option.
CallExtensionOptions contains the options for the CallExtension call.
WithCaching enables caching for the CallExtension call.
# Interfaces
CallExtensionOption is the interface for configuration that modifies CallExtensionOptions for a CallExtension call.
Client is the runtime client to interact with extensions.