import { Selection } from 'd3';
export interface AccessorFunction<X = any, Y = any> {
    (dataObject: X): Y;
}
export interface TextFunction {
    (dataObject: unknown): string;
}
export interface InteractionFunction<T = any> {
    (pointArray: Array<T>): void;
}
export interface EmptyInteractionFunction {
    (): void;
}
export interface DefinedFunction {
    (dataObject: unknown): boolean;
}
export interface Margin {
    left: number;
    right: number;
    bottom: number;
    top: number;
}
export interface DomainObject {
    x: Domain;
    y: Domain;
}
export declare enum LegendSymbol {
    LINE = "line",
    CIRCLE = "circle",
    SQUARE = "square"
}
export declare enum BrushType {
    XY = "xy",
    X = "x",
    Y = "y"
}
export declare type Domain = number[];
export declare type Range = number[];
export declare type GenericD3Selection = Selection<any, any, any, any>;
export declare type SvgD3Selection = Selection<SVGElement, any, Element, any>;
export declare type GD3Selection = Selection<SVGGElement, any, Element, any>;
export declare type LineD3Selection = Selection<SVGLineElement, any, Element, any>;
export declare type TextD3Selection = Selection<SVGTextElement, any, Element, any>;