import type { RuleDefinition, RuleDecision, RuleConflict, EngineInput, EngineOutput } from "./types.js";
export declare class DecisionEngine {
    private rules;
    constructor();
    /**
     * Filter rules by tech stack.
     */
    filterByTechStack(techStack: string[]): RuleDefinition[];
    /**
     * Run the four-question judgment flow for all applicable rules.
     */
    evaluate(input: EngineInput): EngineOutput;
    /**
     * Detect conflicts between decisions using the conflict matrix.
     * Only reports conflicts where both rules are active in the decision set.
     */
    detectConflicts(decisions: RuleDecision[]): RuleConflict[];
    /**
     * Four-question judgment flow for a single rule.
     *
     * Q1: 可形式化吗?  (checkFormalizable)
     * Q2: 代价多高?    (adjustCost)
     * Q3: 反馈要多快?  (estimateFeedbackSpeed)
     * Q4: 频率多高?    (estimateFrequency)
     */
    private _decide;
    /** Q1: 可形式化吗？ */
    private _checkFormalizable;
    /** Q2: 代价多高？（考虑项目阶段调整） */
    private _adjustCost;
    /** Q3: 反馈要多快？(直接使用 rule 定义的 feedbackSpeed) */
    private _estimateFeedbackSpeed;
    /** Q4: 频率多高？（考虑团队规模调整） */
    private _estimateFrequency;
    /**
     * Special rules that require fixed medium assignments.
     * These bypass the four-question flow for safety/process reasons.
     * Returns the fixed medium or null to fall through to normal decision flow.
     */
    private _specialCases;
    /**
     * Map (formalizable, cost, feedbackSpeed, frequency) → RuleMedium.
     *
     * Core logic:
     * - formalizable + low cost + fast feedback → linter_warn
     * - formalizable + high frequency + commit-time → hook
     * - formalizable + slow feedback needed → ci
     * - not formalizable + high frequency → claude_md (cognitive)
     * - high cost + medium frequency → settings (soft nudge)
     * - fallthrough: use rule's recommendedMedium
     */
    private _finalDecision;
    /** Calculate confidence score (0-1) based on decision alignment. */
    private _calculateConfidence;
}
//# sourceMappingURL=engine.d.ts.map