import 'rxjs/add/observable/of';
import { SmartenitPlugin } from '../smartenit-plugin';
import { ITextValue } from '../../interfaces/text-value.interface';
import { INumericValue } from '../../interfaces/numeric-value.interface';
import { IWebSocketDeviceMessage } from '../../websockets/websocket-device-message.interface';
export declare class SimpleMeteringServerPlugin extends SmartenitPlugin implements ITextValue, INumericValue {
    static readonly UNITS: any;
    static readonly PERIOD_COST_NAME: string;
    static readonly PERIOD_SUMMATION_NAME: string;
    private supportsEnergyUsage;
    private periodCost;
    private periodSummation;
    onInit(): void;
    getReportableAttrs(): string[];
    requestMetrics(): void;
    getFirstUnit(): string;
    getSecondUnit(): string;
    getCurrentSummation(): string;
    getInstantaneousDemand(): string;
    getPeriodCost(): string;
    getPeriodSummation(): string;
    getUnit(attribute?: string): string;
    getValue(attribute?: string): number;
    setValue(value: number, attribute?: string, subscribe?: boolean): any;
    getConditionAttribute(): string;
    getConditionOptions(): any;
    getEffectOptions(): any;
    getEffectAttribute(): string | null;
    getEffectMethod(context?: any): string | null;
    getTextValue(context?: string): string;
    formatValue(value: string): string;
    getStatusPayload(): any;
    getStatus(context?: string, force?: boolean, asObservable?: boolean, payload?: any, sendDirect?: boolean): void;
    processMessage(message: IWebSocketDeviceMessage, timestamp?: number): any;
    private parseUnits(unitCode);
}