import type { OpenClawConfig } from "../config/config.js";
import type { ContextEngineInfo } from "../context-engine/types.js";
export declare const DEFAULT_PI_COMPACTION_RESERVE_TOKENS_FLOOR = 20000;
export declare const DEFAULT_PI_COMPACTION_DYNAMIC_KEEP_MARGIN_TOKENS = 12000;
export declare const MIN_PI_DYNAMIC_KEEP_RECENT_TOKENS = 1024;
export declare const DEFAULT_PI_PROMPT_IMAGE_TOKEN_ESTIMATE = 2000;
type PiSettingsManagerLike = {
    getCompactionReserveTokens: () => number;
    getCompactionKeepRecentTokens: () => number;
    applyOverrides: (overrides: {
        compaction: {
            reserveTokens?: number;
            keepRecentTokens?: number;
        };
    }) => void;
    setCompactionEnabled?: (enabled: boolean) => void;
};
export declare function ensurePiCompactionReserveTokens(params: {
    settingsManager: PiSettingsManagerLike;
    minReserveTokens?: number;
}): {
    didOverride: boolean;
    reserveTokens: number;
};
export declare function resolveCompactionReserveTokensFloor(cfg?: OpenClawConfig): number;
export declare function applyPiCompactionSettingsFromConfig(params: {
    settingsManager: PiSettingsManagerLike;
    cfg?: OpenClawConfig;
}): {
    didOverride: boolean;
    compaction: {
        reserveTokens: number;
        keepRecentTokens: number;
    };
};
export declare function applyPiAdaptiveKeepRecentBudget(params: {
    settingsManager: PiSettingsManagerLike;
    contextWindowTokens?: number;
    systemPromptChars?: number;
    promptChars?: number;
    promptImageCount?: number;
    safetyMarginTokens?: number;
    minKeepRecentTokens?: number;
}): {
    didOverride: boolean;
    keepRecentTokens: number;
    keepRecentTokensCap: number;
    reserveTokens: number;
    estimatedSystemPromptTokens: number;
    estimatedPromptTokens: number;
    estimatedPromptImageTokens: number;
    safetyMarginTokens: number;
    availableHistoryTokens: number;
};
export declare function resolveOverflowCompactionKeepRecentTokens(params: {
    contextWindowTokens?: number;
    currentKeepRecentTokens: number;
    reserveTokens: number;
    systemPromptChars?: number;
    promptChars?: number;
    promptImageCount?: number;
}): number | undefined;
/** Decide whether Pi's internal auto-compaction should be disabled for this run. */
export declare function shouldDisablePiAutoCompaction(params: {
    contextEngineInfo?: ContextEngineInfo;
}): boolean;
/** Disable Pi auto-compaction via settings when a context engine owns compaction. */
export declare function applyPiAutoCompactionGuard(params: {
    settingsManager: PiSettingsManagerLike;
    contextEngineInfo?: ContextEngineInfo;
}): {
    supported: boolean;
    disabled: boolean;
};
export {};