import type { SizeValue, SizeContext } from '../types.js';
/**
 * Parse a percentage string and return the numeric value
 * @param value - Percentage string like "50%"
 * @returns Numeric percentage (0.5 for "50%")
 */
export declare function parsePercentage(value: string): number;
/**
 * Check if a size value is a percentage string
 * @param value - Size value to check
 * @returns True if the value is a percentage string
 */
export declare function isPercentage(value: SizeValue): value is `${number}%`;
/**
 * Resolve a SizeValue to an absolute pixel value
 * @param size - The size value to resolve
 * @param context - Parent size context for percentage calculations
 * @param dimension - Whether this is width or height (affects which parent dimension to use)
 * @returns Absolute size in characters
 */
export declare function resolveSize(size: SizeValue | undefined, context: SizeContext, dimension: 'width' | 'height'): number | undefined;
/**
 * Calculate the available space after accounting for fixed-size children
 * @param parentSize - Total parent size
 * @param children - Array of child size values
 * @param context - Size context for resolution
 * @param dimension - Width or height dimension
 * @returns Available space for flexible children
 */
export declare function calculateAvailableSpace(parentSize: number, children: (SizeValue | undefined)[], context: SizeContext, dimension: 'width' | 'height'): number;
/**
 * Create a SizeContext from parent dimensions
 * @param parentWidth - Parent component width
 * @param parentHeight - Parent component height
 * @param borderPadding - Border padding to account for
 * @returns SizeContext for child calculations
 */
export declare function createSizeContext(parentWidth: number, parentHeight: number, borderPadding?: number): SizeContext;