import { default as Database } from 'better-sqlite3';
import { EnhancementLogEntry, EntityReference } from './types.js';
/**
 * Manages enhancement log entries for pipeline processing steps
 */
export declare class EnhancementLogManager {
    private db;
    constructor(db: Database.Database);
    /**
     * Log a single enhancement step
     */
    logStep(timestamp: Date, phase: 'transcribe' | 'enhance' | 'simple-replace' | 'user-correction', action: string, details?: Record<string, unknown>, entities?: EntityReference[]): void;
    /**
     * Log multiple enhancement steps at once (batch insert)
     */
    logSteps(steps: Array<{
        timestamp: Date;
        phase: 'transcribe' | 'enhance' | 'simple-replace' | 'user-correction';
        action: string;
        details?: Record<string, unknown>;
        entities?: EntityReference[];
    }>): void;
    /**
     * Get the full enhancement log
     */
    getEnhancementLog(options?: {
        phase?: 'transcribe' | 'enhance' | 'simple-replace';
        action?: string;
    }): EnhancementLogEntry[];
    /**
     * Get enhancement log filtered by phase
     */
    getLogByPhase(phase: 'transcribe' | 'enhance' | 'simple-replace'): EnhancementLogEntry[];
    /**
     * Get the count of enhancement log entries
     */
    getLogCount(): number;
    /**
     * Clear all enhancement log entries
     * Useful when re-enhancing a transcript
     */
    clearLog(): void;
}
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