/**
 * Council Engine
 *
 * Parses council_plan blocks from Conductor responses,
 * validates agent availability, and executes multi-round
 * discussions among existing named agents.
 *
 * Unlike WorkflowEngine (ephemeral agents, DAG execution),
 * CouncilEngine reuses existing agents and runs sequential rounds
 * with full history accumulation.
 */
import { EventEmitter } from 'events';
import type { CouncilPlan, CouncilConfig, CouncilRoundResult, CouncilExecution } from './workflow-types.js';
export type CouncilStepExecutor = (agentId: string, prompt: string, timeoutMs: number) => Promise<string>;
/**
 * CouncilEngine
 *
 * Events:
 * - 'progress': CouncilProgressEvent
 */
export declare class CouncilEngine extends EventEmitter {
    private config;
    private activeExecutions;
    constructor(config: CouncilConfig);
    isEnabled(): boolean;
    /**
     * Parse a council_plan JSON block from Conductor's response.
     */
    parseCouncilPlan(response: string): CouncilPlan | null;
    /**
     * Extract text content outside the council_plan block.
     */
    extractNonPlanContent(response: string): string;
    /**
     * Validate plan against available agents and config limits.
     * Returns error message or null if valid.
     */
    validatePlan(plan: CouncilPlan, availableAgentIds: string[]): string | null;
    /**
     * Execute a council discussion plan.
     */
    execute(plan: CouncilPlan, executeStep: CouncilStepExecutor, agentDisplayNames: Map<string, string>): Promise<{
        result: string;
        execution: CouncilExecution;
    }>;
    /**
     * Cancel a running council execution.
     */
    cancel(executionId: string): boolean;
    /**
     * Build prompt for a specific round + agent, including all previous responses.
     */
    buildRoundPrompt(topic: string, previousResults: CouncilRoundResult[], currentRound: number, currentAgentId: string, currentDisplayName: string): string;
    /**
     * Build final combined result from all rounds.
     */
    private buildFinalResult;
    private emitProgress;
}
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