import type { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
import type { UsageSummaryConfig } from '../interfaces';
/**
 * Generate a summary of all usage and cost calculations
 * This can be used to track total consumption and costs across workflow runs
 */
export declare function generateUsageSummary(this: IExecuteFunctions, _items: INodeExecutionData[], config: UsageSummaryConfig, usageDataInput: unknown): Promise<INodeExecutionData[][]>;