/** @jsxImportSource preact */
import { Widget } from '@deck.gl/core';
import type { WidgetPlacement, WidgetProps } from '@deck.gl/core';
export type HeapMemoryWidgetProps = WidgetProps & {
    placement?: WidgetPlacement;
    /** How frequently to poll the heap usage, in milliseconds. */
    pollIntervalMs?: number;
};
export declare class HeapMemoryWidget extends Widget<HeapMemoryWidgetProps> {
    #private;
    static defaultProps: {
        id: string;
        placement: "top-right";
        pollIntervalMs: number;
        style: Partial<CSSStyleDeclaration>;
        className: string;
        _container: string | HTMLDivElement | null;
    };
    placement: WidgetPlacement;
    className: string;
    constructor(props?: HeapMemoryWidgetProps);
    setProps(props: Partial<HeapMemoryWidgetProps>): void;
    onRenderHTML(rootElement: HTMLElement): void;
    onRemove(): void;
}
//# sourceMappingURL=heap-memory-widget.d.ts.map