import { ThemeConfig } from '../styles';
/**
 * Compute available page width in twips (page width minus left/right margins)
 */
export declare function getAvailableWidthTwips(theme?: ThemeConfig, themeName?: string): number;
/**
 * Compute full page width in twips (ignores margins)
 */
export declare function getPageWidthTwips(theme?: ThemeConfig, themeName?: string): number;
/**
 * Compute available page height in twips (page height minus top/bottom margins)
 */
export declare function getAvailableHeightTwips(theme?: ThemeConfig, themeName?: string): number;
/**
 * Compute full page height in twips (ignores margins)
 */
export declare function getPageHeightTwips(theme?: ThemeConfig, themeName?: string): number;
/**
 * Parse a percentage string like "75%" into a fraction 0..1
 */
export declare function parsePercentageStringToFraction(value: string): number | undefined;
/**
 * Resolve an offset value (twips or percentage string) to twips.
 * Numbers pass through unchanged; percentage strings are resolved against referenceTwips.
 */
export declare function resolveOffsetTwips(value: number | string, referenceTwips: number): number;
/**
 * Convert a numeric (points) or percentage string to twips using available width
 */
export declare function relativeLengthToTwips(value: number | string, availableWidthTwips: number): number;
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