import type { RoutingDecision, RunRequest } from "@hmbown/kytchen-protocol";
import type { Engine, EngineDependencies, EventSink } from "./types.js";
import type { EngineConfig } from "./config.js";
export declare class KytchenEngine implements Engine {
    private readonly deps;
    private readonly config;
    private readonly sessions;
    private readonly toolRegistry;
    constructor(deps: EngineDependencies, config: EngineConfig);
    private normalizeModePipeline;
    private sanitizePipeline;
    private resolveRecursiveRoutingPolicy;
    private canUseRecursiveStage;
    private buildRoutingTracePayload;
    private emitRecursivePolicyAdjustment;
    private routingTrace;
    private resolvePipeline;
    private deriveSubQueries;
    private extractJsonObject;
    private parseRecursivePlan;
    private recursivePlannerPrompt;
    private mapLifecycleToStatusCode;
    private buildRecursiveContext;
    private executeRecursiveStage;
    private estimateTokenCount;
    private buildContextChunks;
    private formatPreservedContext;
    private composeProviderInput;
    private parseToolArgs;
    private summarizeToolArgs;
    private appendToolResultsSection;
    private executeStage;
    private streamProviderResponse;
    run(request: RunRequest, sink?: EventSink): Promise<{
        runId: string;
        routingDecision?: RoutingDecision;
    }>;
}
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