import { IgrNumericAxisBase, IIgrNumericAxisBaseProps } from "./igr-numeric-axis-base";
import { NumericRadiusAxis } from "./NumericRadiusAxis";
/**
 * Represents a IgxDataChartComponent radius axis for polar and radial series.
*/
export declare class IgrNumericRadiusAxis extends IgrNumericAxisBase<IIgrNumericRadiusAxisProps> {
    protected createImplementation(): NumericRadiusAxis;
    readonly i: NumericRadiusAxis;
    constructor(props: IIgrNumericRadiusAxisProps);
    /**
     * Checks if the axis is of radial axis type
    */
    readonly isRadial: boolean;
    /**
     * Defines the percentage of the maximum radius extent to use as the maximum radius. Should be
     * a value between 0.0 and 1.0.
    */
    radiusExtentScale: number;
    /**
     * Defines the percentage of the maximum radius extent to leave blank at the center of the chart. Should be
     * a value between 0.0 and 1.0.
    */
    innerRadiusExtentScale: number;
    /**
     * Returns a world coordinates radius length (0 - 0.5) from a raw axis value.
    
    * @param unscaledValue  * The raw axis value.
    */
    getScaledValue(unscaledValue: number): number;
    /**
     * Returns a raw axis value from the world coordinates radius length provided.
    
    * @param scaledValue  * The scaled world coordinates radius length.
    */
    getUnscaledValue(scaledValue: number): number;
}
export interface IIgrNumericRadiusAxisProps extends IIgrNumericAxisBaseProps {
    /**
     * Defines the percentage of the maximum radius extent to use as the maximum radius. Should be
     * a value between 0.0 and 1.0.
    */
    radiusExtentScale?: number;
    /**
     * Defines the percentage of the maximum radius extent to leave blank at the center of the chart. Should be
     * a value between 0.0 and 1.0.
    */
    innerRadiusExtentScale?: number;
}
