export type ContextMode = 'qa' | 'coding' | 'strategy';
export interface SlotBudget {
    minTokens: number;
    targetTokens: number;
}
export interface ContextBudgetPlan {
    windowTokens: number;
    inputBudget: number;
    outputReserve: number;
    mustKeepCap: number;
    recallConfidenceThreshold: number;
    slots: {
        systemPolicy: SlotBudget;
        userRequest: SlotBudget;
        mustKeep: SlotBudget;
        conversationSummary: SlotBudget;
        retrievalEvidence: SlotBudget;
        repackBuffer: SlotBudget;
    };
}
export declare function buildContextBudgetPlan(windowTokens: number, mode?: ContextMode): ContextBudgetPlan;