import type { Scale } from 'ag-charts-core';
/** Whether a user-supplied value can be resolved against `scale`, rejecting both wrong value types
 * and values absent from a discrete domain. */
export declare function isValidScaleValue(value: unknown, scale: Scale<any, number>): boolean;
/**
 * Pixel offsets needed to grow a converted range so it covers whole bands rather than stopping at
 * band leading edges. `bandwidth` extends the end onto the final band's trailing edge;
 * `rangePadding` is half the inter-band gap, applied to both ends so adjacent ranges tile.
 * Both are zero on continuous scales.
 */
export declare function bandRangeExpansion(scale: Scale<any, number>): {
    bandwidth: number;
    rangePadding: number;
};