import type { BehaviorEventEmitter } from './behavior-event-emitter.js';
/**
 * Updates behavior promotion artifacts after compaction triggers fire.
 * Implements AC-8 wiring: connects ThresholdTrigger/WorkflowTrigger outputs
 * to behavior promotion runtime files.
 */
export interface CompactionArtifactUpdate {
    readonly updatedFiles: readonly string[];
    readonly memoryWordCount: number;
    readonly estimatedTokens: number;
}
export declare class CompactionArtifactUpdater {
    private readonly workspaceRoot;
    private readonly emitter?;
    constructor(workspaceRoot: string, emitter?: BehaviorEventEmitter);
    /**
     * After a compaction event, update the delta-summary and compaction-manifest
     * in the runtime context directory.
     */
    updateAfterCompaction(params: {
        readonly compactionLevel: string;
        readonly tokensBefore: number;
        readonly tokensAfter: number;
        readonly removedSections: readonly string[];
    }): Promise<CompactionArtifactUpdate>;
}
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