import { ScaleBand, ScaleLinear, ScaleLogarithmic, ScaleTime, type ScaleSymLog } from 'd3-scale';
/**
 * Checks whether a scale is logarithmic.
 *
 * The logarithmic scales have a unique prop called 'base', so checking it we can detect the type.
 *
 * @param scale -
 */
export declare function isLogScale(scale: ScaleLogarithmic<number, number> | ScaleSymLog<number, number> | ScaleLinear<number, number> | ScaleTime<number, number>): scale is ScaleLogarithmic<number, number>;
/**
 * Checks whether a scale is symlog.
 *
 * The symlog scales have a unique prop called 'constant', so checking it we can detect the type.
 *
 * @param scale -
 */
export declare function isSymlogScale(scale: ScaleLogarithmic<number, number> | ScaleSymLog<number, number> | ScaleLinear<number, number> | ScaleTime<number, number>): scale is ScaleSymLog<number, number>;
/**
 * Checks whether a scale is band.
 *
 * The band scales have a unique prop called 'paddingInner', so checking it we can detect the type.
 *
 * @param scale -
 */
export declare function isBandScale(scale: ScaleLogarithmic<number, number> | ScaleSymLog<number, number> | ScaleLinear<number, number> | ScaleTime<number, number> | ScaleBand<string>): scale is ScaleBand<string>;