import { v3 } from '@google-cloud/monitoring';
import { google } from '@google-cloud/monitoring/build/protos/protos';
import Aligner = google.monitoring.v3.Aggregation.Aligner;
import Reducer = google.monitoring.v3.Aggregation.Reducer;
import { Logger } from '@cloud-carbon-footprint/common';
import { ServiceWithCPUUtilization, ComputeUsage, Cost } from '@cloud-carbon-footprint/core';
export default class ComputeEngine extends ServiceWithCPUUtilization {
    private client;
    serviceName: string;
    computeEngineLogger: Logger;
    constructor(client: v3.MetricServiceClient);
    getUsage(start: Date, end: Date, region: string): Promise<ComputeUsage[]>;
    private getCpuUtilization;
    buildTimeSeriesRequest(startDate: Date, endDate: Date, projectName: string, metricType: string, crossSeriesReducer: Reducer, region: string): {
        name: string;
        filter: string;
        aggregation: {
            alignmentPeriod: {
                seconds: number;
            };
            perSeriesAligner: Aligner;
            crossSeriesReducer: Reducer;
        };
        view: google.monitoring.v3.ListTimeSeriesRequest.TimeSeriesView;
        interval: {
            startTime: {
                seconds: number;
            };
            endTime: {
                seconds: number;
            };
        };
    };
    getCosts(start: Date, end: Date, region: string): Promise<Cost[]>;
}