export interface Axis {
    key: string;
    stroke?: string;
    fill?: string;
    active?: any;
    type?: string;
    barSize?: number;
}
export interface Vars {
    key: string;
    value?: any;
    defaults: any;
    component?: string;
}
export interface Filters {
    [key: string]: any;
}
export interface Chart {
    id?: string;
    name: string;
    label?: string;
    tooltip?: boolean;
    legend?: boolean;
    xaxis: Axis[];
    yaxis: Axis[];
    query?: string;
    vars?: Vars[];
    filters?: Filters;
}
export declare const protoChart: {
    tooltip: boolean;
    legend: boolean;
    xaxis: {
        key: string;
    }[];
    yaxis: ({
        type: string;
        key: string;
        stroke: string;
        fill: string;
        active?: undefined;
    } | {
        type: string;
        active: {
            r: number;
        };
        key: string;
        stroke: string;
        fill: string;
    })[];
    label: string;
    query: string;
    vars: {
        key: string;
        defaults: string;
        component: string;
        value: {
            key: string;
            value: string;
        }[];
    }[];
};
export declare function toStr(data: Object): string;
export type FnFilter = (chart: Chart) => boolean;