import { OnModuleInit } from '@nestjs/common';
import { ProfilerService } from '../services/profiler.service';
import { ExplainAnalyzer } from '../analyzers/explain-analyzer';
import type { ProfilerOptions } from '../common/profiler-options.interface';
export declare class PostgresCollector implements OnModuleInit {
    private profiler;
    private explainAnalyzer;
    private options;
    private logger;
    private originalQuery;
    capturedConfig: Record<string, any> | null;
    allCapturedConfigs: Array<{
        label: string;
        config: Record<string, any>;
    }>;
    constructor(profiler: ProfilerService, explainAnalyzer: ExplainAnalyzer, options: ProfilerOptions);
    onModuleInit(): void;
    private patchPg;
    runSchemaQuery(sql: string, params?: any[]): Promise<any[] | null>;
    private captureQuery;
}