/**
 * Custom domain configuration for color scales
 */
export interface ColorDomainOptions {
    min?: number;
    max?: number;
}
/**
 * Calculate the domain for a color scale from data values
 * @param data - Array of data objects with value property
 * @param customDomain - Optional explicit min/max values to override calculated domain
 * @returns [min, max] domain array
 */
export declare function getDomain(data: any, customDomain?: ColorDomainOptions): number[];
export declare function getColorScale(displayData: any, colorOptions: any, customDomain?: ColorDomainOptions): import('d3-scale').ScaleQuantize<number, never>;