import { DataValue, ScaleConfig, DatasetConfig } from '../types';
/**
 * Get the numeric value from a data point
 */
export declare const getNumericValue: (value: DataValue) => number;
/**
 * Get the minimum value from a data point (for floating bars)
 */
export declare const getMinValue: (value: DataValue) => number;
/**
 * Get the maximum value from a data point
 */
export declare const getMaxValue: (value: DataValue) => number;
/**
 * Calculate nice tick values for an axis
 */
export declare const calculateNiceTicks: (min: number, max: number, maxTicks?: number) => number[];
/**
 * Calculate scale configuration from datasets
 */
export declare const calculateScale: (datasets: DatasetConfig[], options?: {
    min?: number;
    max?: number;
    beginAtZero?: boolean;
    maxTicks?: number;
    stacked?: boolean;
}) => ScaleConfig;
/**
 * Convert a value to a position on the chart
 */
export declare const valueToPosition: (value: number, scale: ScaleConfig, size: number, inverted?: boolean) => number;
/**
 * Convert a position to a value
 */
export declare const positionToValue: (position: number, scale: ScaleConfig, size: number, inverted?: boolean) => number;
/**
 * Format a number for display
 */
export declare const formatValue: (value: number, options?: {
    decimals?: number;
    prefix?: string;
    suffix?: string;
    thousandsSeparator?: string;
}) => string;