import { ScaleHandlerTicks } from '../scale-handlers/interfaces';
import { Scale, Domain } from '../common/interfaces';
/**
 * Util functions for d3 scales
 */
export default class ScaleHelper {
    /**
     * Get pixel ratio from scale
     */
    static getPixelRatio(scale: Scale): number;
    /**
     * Get domain ratio from scale
     */
    static getDomainRatio(scale: Scale): number;
    /**
     * Get the domain span of a scale
     */
    static getDomainSpan(scale: Scale, absoluteValue?: boolean): number;
    /**
     * Get the domain span of a scale in pixels
     */
    static getDomainPixelSpan(scale: Scale, domain?: Domain): number;
    /**
     * Get the range span of a scale in pixels
     */
    static getRangeSpan(scale: Scale): number;
    /**
     * Creates logarithmic major and minor ticks for a log scale
     */
    static createLogTicks(scale: Scale): ScaleHandlerTicks;
    /**
     * Creates linear major and minor ticks
     */
    static createLinearTicks(scale: Scale, num?: number): ScaleHandlerTicks;
    /**
     * Creates major ticks only
     */
    static createMajorTicks(scale: Scale): ScaleHandlerTicks;
    /**
     * Internal. Creates minor ticks based around a value, number of steps and step size
     */
    private static createMinorTicks;
    /**
     * Create major and minor ticks from scale
     */
    static createTicks(scale: Scale): ScaleHandlerTicks;
}