import { PaletteName } from "./colors";
export type InputStoryOptions = {
    svgBackgroundColor?: string;
};
export type StoryOptions = {
    svgBackgroundColor: string;
};
type BaseInputStep = {
    key: string;
    /** Labels. */
    title?: string;
    titleAnchor?: Anchor;
    subtitle?: string;
    subtitleAnchor?: Anchor;
    /** Legend. */
    shareDomain?: boolean;
    showLegend?: boolean;
    legendTitle?: string;
    legendAnchor?: Anchor;
    /** Values & data labels. */
    showValues?: boolean;
    showDatumLabels?: boolean;
    /** Annotations. */
    annotations?: InputAnnotation[];
    /** Appearance. */
    palette?: PaletteName;
    cartoonize?: boolean;
};
export type BarInputStep = VerticalBarInputStep | HorizontalBarInputStep;
export type VerticalBarInputStep = BaseInputStep & {
    chartType: "bar";
    chartSubtype?: BarChartSubtype;
    valueScale?: InputScale;
    groups: InputGroupValue[];
    layout?: "vertical";
    verticalAxis?: InputAxis;
};
export declare const isVerticalBarInputStep: (step: BarInputStep) => step is VerticalBarInputStep;
export type HorizontalBarInputStep = BaseInputStep & {
    chartType: "bar";
    chartSubtype?: BarChartSubtype;
    valueScale?: InputScale;
    groups: InputGroupValue[];
    layout: "horizontal";
    horizontalAxis?: InputAxis;
};
export declare const isHorizontalBarInputStep: (step: BarInputStep) => step is HorizontalBarInputStep;
export type BeeswarmInputStep = BaseInputStep & {
    chartType: "beeswarm";
    positionScale?: MinMaxScale;
    groups: InputGroupPosition[];
} & ({
    layout: "vertical";
    verticalAxis?: InputAxis;
} | {
    layout?: "horizontal";
    horizontalAxis?: InputAxis;
});
export type BubbleInputStep = BaseInputStep & {
    chartType: "bubble";
    valueScale?: InputScale;
    groups: InputGroupValue[];
};
export type PieInputStep = BaseInputStep & {
    chartType: "pie";
    valueScale?: InputScale;
    groups: InputGroupValue[];
};
export type ScatterInputStep = BaseInputStep & {
    chartType: "scatter";
    xScale?: MinMaxScale;
    yScale?: MinMaxScale;
    horizontalAxis?: InputAxis;
    verticalAxis?: InputAxis;
    groups: InputGroupXY[];
};
export type TreemapInputStep = BaseInputStep & {
    chartType: "treemap";
    layout?: TreemapLayout;
    valueScale?: InputScale;
    groups: InputGroupValue[];
};
export type InputStep = BarInputStep | BeeswarmInputStep | BubbleInputStep | PieInputStep | ScatterInputStep | TreemapInputStep;
export type InputScale = {
    maxValue?: number;
};
export type MinMaxScale = {
    minValue?: number;
    maxValue?: number;
};
export type InputAxis = {
    show?: boolean;
    title?: string;
    tickFormat?: (d: number) => string;
};
type BaseInputGroup = {
    key: string;
    opacity?: number;
};
export type InputGroup = InputGroupPosition | InputGroupValue | InputGroupXY;
export type InputGroupType = "position" | "value" | "xy";
export type InputGroupPosition = BaseInputGroup & {
    data: InputDatumPosition[];
};
export type InputGroupValue = BaseInputGroup & {
    data: InputDatumValue[];
};
export type InputGroupXY = BaseInputGroup & {
    data: InputDatumXY[];
};
type BaseInputDatum = BaseInputGroup & {
    teleportFrom?: string;
    fill?: string;
};
export type InputDatum = InputDatumPosition | InputDatumValue | InputDatumXY;
export type InputDatumPosition = BaseInputDatum & {
    position: number;
};
export type InputDatumValue = BaseInputDatum & {
    value: number;
};
export type InputDatumXY = BaseInputDatum & {
    x: number;
    y: number;
};
export type InputAnnotation = {
    key: string;
    type: "line";
    text?: string;
    textAnchor?: Anchor;
    fill?: string;
    size?: number;
    maxWidth?: number;
} & ({
    layout: "horizontal";
    y: number;
} | {
    layout: "vertical";
    x: number;
});
export type Anchor = "start" | "middle" | "end";
export type ChartType = "bar" | "beeswarm" | "bubble" | "pie" | "scatter" | "treemap";
export type BarChartSubtype = "grouped" | "stacked";
export type Layout = "vertical" | "horizontal";
export type TreemapLayout = "binary" | "dice" | "slice" | "slice-dice" | "squarify" | "resquarify";
export type AxisType = "vertical" | "horizontal";
export type TextType = "title" | "subtitle" | "legendTitle" | "legendItem" | "axisTitle" | "axisTick" | "groupLabel" | "datumLabel" | "datumValue" | "annotationLabel";
export type TextTypeDims = {
    [type in TextType]: {
        height: number;
        yShift: number;
    };
};
export type DataMaxValue = {
    type: "value";
    value: number;
};
export type DataMaxXY = {
    type: "xy";
    x: number;
    y: number;
};
export type ExtremeValue = {
    data: number;
    scale: number | undefined;
    actual: number;
    k: number;
    kc: number;
};
/**
 * Provides access to a stateful function and previous G.
 */
export type Stateful<G> = {
    /**
     * Stateful function.
     *
     * Returns an `enter`, `update` or `exit` value,
     * depending on the current state.
     */
    s: <T>(enter: T, update?: T | null, exit?: T | null) => T;
    /**
     * Previous G.
     */
    _g?: G;
};
export type State = "enter" | "update" | "exit";
export type Interpolator<T> = (t: number) => T;
export {};