import { ThemeConfig } from '../index';
import { LineSpacing } from '@json-to-office/shared-docx';
/** `w:spacing`'s line height and rule, in the units OOXML uses. */
export interface LineSpacingProperties {
    line?: number;
    lineRule?: 'auto' | 'exact' | 'atLeast';
}
/**
 * Convert points to twips for docx spacing
 * @param points - Value in points
 * @returns Value in twips (1/20 of a point)
 */
export declare function pointsToTwips(points: number): number;
/**
 * Resolve theme configuration from either a theme object or theme name
 * @param theme - Theme configuration object (for custom themes)
 * @param themeName - Theme name (for built-in themes)
 * @returns Resolved theme configuration
 */
export declare function resolveTheme(theme?: ThemeConfig, themeName?: string): ThemeConfig | undefined;
/**
 * Resolve font family from font reference (e.g., 'body', 'heading') to actual font family name
 * @param theme - Theme configuration object
 * @param fontRef - Font reference ('body', 'heading', 'mono', 'light') or undefined
 * @returns Actual font family name (e.g., 'Arial', 'Helvetica')
 */
export declare function resolveFontFamily(theme: ThemeConfig, fontRef?: 'heading' | 'body' | 'mono' | 'light'): string;
/**
 * Resolve font size from font reference (e.g., 'body', 'heading') to actual font size in points
 * @param theme - Theme configuration object
 * @param fontRef - Font reference ('body', 'heading', 'mono', 'light') or undefined
 * @returns Font size in points (callers multiply by 2 for docx) or undefined if no size found
 */
export declare function resolveFontSize(theme: ThemeConfig, fontRef?: 'heading' | 'body' | 'mono' | 'light'): number | undefined;
/**
 * Font properties that can be defined in font definitions
 */
export interface FontProperties {
    fontWeight?: number;
    case?: 'none' | 'upper' | 'smallCaps';
    family?: string;
    size?: number;
    color?: string;
    bold?: boolean;
    italic?: boolean;
    underline?: boolean;
    alignment?: 'left' | 'center' | 'right' | 'justify';
    lineSpacing?: {
        type: 'single' | 'atLeast' | 'exactly' | 'double' | 'multiple';
        value?: number;
    };
    spacing?: {
        before?: number;
        after?: number;
    };
    characterSpacing?: {
        type: 'condensed' | 'expanded';
        value: number;
    };
    scale?: number;
}
/**
 * Resolve all font properties from font reference.
 * Returns all formatting properties defined in the font definition.
 * @param theme - Theme configuration object
 * @param fontRef - Font reference ('body', 'heading', 'mono', 'light') or undefined
 * @returns Object containing all font properties
 */
export declare function resolveFontProperties(theme: ThemeConfig, fontRef?: 'heading' | 'body' | 'mono' | 'light'): FontProperties;
/**
 * Merge font properties with style overrides.
 * Style properties take precedence over font properties.
 * Only defined (non-undefined) style properties override font properties.
 * @param fontProps - Properties from font definition
 * @param styleOverrides - Properties from style definition
 * @returns Merged properties object
 */
export declare function mergeFontAndStyleProperties<T extends Partial<FontProperties>>(fontProps: FontProperties, styleOverrides: T): FontProperties & T;
/**
 * Get body text style configuration
 * @param theme - Theme configuration object
 * @param themeName - Name of the theme (for fallback to built-in themes)
 * @returns Style configuration object
 */
export declare const getBodyTextStyle: (theme?: ThemeConfig, themeName?: string) => {
    size: number;
    font: string;
    color: string;
};
/**
 * Converts line spacing from theme definition to DOCX spacing options.
 * DOCX uses twips (1/20th of a point) for line spacing.
 * @param lineSpacing The line spacing object from the theme definition.
 * @returns IParagraphSpacingOptions for docx.
 */
export declare function convertLineSpacing(lineSpacing?: LineSpacing | number): LineSpacingProperties | undefined;
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