export declare const getXAxisKey: (node: any, axisId: any) => any;
export declare const getData: (node: any) => any;
export declare const flatten: (arr: any) => any[];
export declare const resolveAxis: (customizedProps: any, axisDomain: any, type?: string, axisId?: string, axis?: string) => any;
export declare const convertXAxisToNumber: (data: any) => any;
export declare const getDomainOfDataByKey: (data: Array<any>, key: string, type: string) => number[];
export declare const uid: () => string;
export declare const isInPolygon: (n: number, px: any, py: any, x: number, y: number) => boolean;
export declare const calculateTimeSeriesTicks: (tickCount: number, initialDomian: any, domain: any, callback: any) => void;
export declare const formatTimeSeriesTicks: (interval: any, date: Date) => string;