import type { AppDescription, ArchitecturePlan, PlanSummary, PlanModification } from './types.js';
export declare class PlanRefiner {
    private description;
    constructor(description: AppDescription);
    /** Generate a human-readable summary of the architecture plan. */
    generateSummary(plan: ArchitecturePlan): PlanSummary;
    /** Validate plan against heuristics. Returns warnings that should block auto-approval. */
    validatePlan(plan: ArchitecturePlan): {
        valid: boolean;
        warnings: string[];
    };
    /** Apply modifications to a plan (e.g., remove features). Returns a new plan object. */
    applyModifications(plan: ArchitecturePlan, modifications: readonly PlanModification[]): ArchitecturePlan;
}