import { GlobalConfig } from '@n8n/config';
import { DataSource, type EntityManager, Repository } from '@n8n/typeorm';
import { WorkflowStatistics } from '../entities';
import type { User } from '../entities';
import { StatisticsNames } from '../entities/types-db';
type StatisticsInsertResult = 'insert' | 'failed' | 'alreadyExists';
type StatisticsUpsertResult = StatisticsInsertResult | 'update';
export type FirstOccurrenceRow = {
    name: StatisticsNames;
    workflowId: string;
    workflowName: string | null;
    firstEventMs: number;
};
export declare class WorkflowStatisticsRepository extends Repository<WorkflowStatistics> {
    private readonly globalConfig;
    constructor(dataSource: DataSource, globalConfig: GlobalConfig);
    findByWorkflowIds(workflowIds: string[]): Promise<WorkflowStatistics[]>;
    insertWorkflowStatistics(eventName: StatisticsNames, workflowId: string, workflowName?: string): Promise<StatisticsInsertResult>;
    upsertWorkflowStatistics(eventName: StatisticsNames, workflowId: string, isRootExecution: boolean, workflowName?: string): Promise<StatisticsUpsertResult>;
    private deltaTableName;
    appendIncrement(eventName: StatisticsNames, workflowId: string, isRootExecution: boolean, workflowName?: string): Promise<void>;
    rollupIncrements(manager: EntityManager, batchSize: number): Promise<{
        increments: number;
        firstOccurrences: FirstOccurrenceRow[];
    }>;
    queryNumWorkflowsUserHasWithFiveOrMoreProdExecs(userId: User['id']): Promise<number>;
}
export {};