export declare const OPUS_MODEL = "claude-opus-4-7";
export declare const SONNET_MODEL = "claude-sonnet-4-6";
export declare const HAIKU_MODEL = "claude-haiku-4-5";
export declare const MODEL_CONTEXT_WINDOW: Record<string, number>;
/** Look up context window size; defaults to 200k for unknown models. */
export declare function contextWindow(model: string): number;
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