export declare const DEFAULT_CONTEXT_WINDOW_ESTIMATE = 200000;
export declare const MAX_HISTORY_RATIO = 0.6;
export declare const MAX_RECENT_HISTORY_RATIO = 0.18;
export declare const MIN_RECENT_HISTORY_TOKEN_BUDGET = 8000;
export declare const MAX_RECENT_HISTORY_TOKEN_BUDGET = 120000;
export declare const PREFERRED_RECENT_MESSAGES = 12;
export declare const PREFERRED_FORCED_RECENT_MESSAGES = 3;
export declare const MAX_ROLLING_SUMMARY_CHARS = 12000;
export declare const MAX_SUMMARIZER_CONTEXT_RATIO = 0.12;
export declare const MAX_SUMMARIZER_TRANSCRIPT_TOKENS = 32000;
export declare const MAX_SUMMARIZER_TRANSCRIPT_CHARS = 96000;
export declare const MAX_SUMMARIZER_MESSAGE_CHARS = 2000;
export declare const MIN_SUMMARIZER_MESSAGE_CHARS = 80;
export declare const COMPACTED_HISTORY_MARKER = "Heddle compacted earlier conversation history.";
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