export declare enum ATTRIBUTE_VISUALIZATION {
    GRAYSCALE = "grayscale",
    OPACITY = "opacity",
    BLUE_RED = "blue_red",
    BLUE_WHITE_RED = "blue_white_red",
    GREEN_RED = "green_red",
    GREEN_WHITE_RED = "green_white_red",
    GREEN_YELLOW_RED = "green_yellow_red",
    BLUE_YELLOW_RED = "blue_yellow_red",
    BLUE_GREEN_RED = "blue_green_red",
    BLUE_GREEN_YELLOW_RED_PURPLE_WHITE = "blue_green_yellow_red_purple_white",
    HSL = "hsl",
    VIRIDIS = "viridis",
    PLASMA = "plasma",
    TURBO = "turbo",
    MAGMA = "magma",
    CIVIDIS = "cividis"
}
export type IGradient = {
    type: "number" | "string";
};
export interface INumberGradient extends IGradient {
    type: "number";
    /** The minimum value of the gradient (default: the minimum value of the data) */
    min?: number;
    /** The maximum value of the gradient (default: the maximum value of the data) */
    max?: number;
    /** The steps of the gradient or the gradient to be used {@link ATTRIBUTE_VISUALIZATION}. */
    steps: {
        /** The value of the step */
        value: number;
        /** The color before the step */
        colorBefore: string;
        /** The color after the step */
        colorAfter: string;
    }[] | string;
}
export interface IStringGradient extends IGradient {
    type: "string";
    /** The default color that is used if the value is not in the steps (default: grey) */
    defaultColor?: string;
    /** The colors used for the values */
    labelColors: {
        /** The value of the step */
        values: string[];
        /** The color used for the values */
        color: string;
    }[];
}
export type Gradient = INumberGradient | IStringGradient | ATTRIBUTE_VISUALIZATION;
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