/**
 * Cache control directive for Anthropic prompt caching. Only applicable to Anthropic Claude models. When set, marks the content block as a cache breakpoint.
 *
 */
export type CacheControl = {
    type: 'ephemeral';
    /**
     * Time-to-live for the cache entry. Default is "5m" (5 minutes). "1h" (1 hour) is supported on select models (e.g. Claude Opus 4.5, Haiku 4.5, Sonnet 4.5).
     *
     */
    ttl?: '5m' | '1h';
};
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