import React from 'react';
export declare const nLatencyBuckets = 6;
export declare const latencyBuckets: number[];
export declare const latencyBucket: (value: number) => number;
declare type Props = {};
interface State {
    status: 'unknown' | 'offline' | 'ready';
    onReady?: () => void;
    cells: {
        color: string;
        activationId: string;
    }[];
}
/**
 * @return our fragment spec: an icon, a text container, and onclick
 * handlers
 *
 */
export default class GridWidget extends React.PureComponent<Props, State> {
    private readonly handler;
    constructor(props: Props);
    private dispose;
    /** Avoid recomputation for a flurry of events */
    private last;
    private debounce;
    /** Transition to ready status */
    private ready;
    /**
     * On default events (new tab, tab switch, command execution), we
     * will update the text element.
     *
     */
    private update;
    componentDidMount(): void;
    componentWillUnmount(): void;
    private cells;
    render(): JSX.Element;
}
export {};