import { OrAssetWidget } from "../util/or-asset-widget";
import type { WidgetManifest } from "../util/or-widget";
import type { AssetWidgetConfig } from "../util/widget-config";
import type { AttributeRef } from "@openremote/model";
import { type TemplateResult } from "lit";
import "@openremote/or-attribute-card";
export interface KpiWidgetConfig extends AssetWidgetConfig {
    period?: "year" | "month" | "week" | "day" | "hour";
    decimals: number;
    deltaFormat: "absolute" | "percentage";
    showTimestampControls: boolean;
}
export declare class KpiWidget extends OrAssetWidget {
    protected widgetConfig: KpiWidgetConfig;
    protected _loading: boolean;
    static getManifest(): WidgetManifest;
    refreshContent(force: boolean): void;
    protected willUpdate(changedProps: Map<string, any>): void;
    protected loadAssets(attributeRefs: AttributeRef[]): void;
    protected render(): TemplateResult;
}
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