import { LayoutMode, RendererStyles } from './renderer';
import { LineRange } from './pretext';
export declare function getPluginPrefetchPageCount(book: unknown): number;
export declare function parseCSSPixels(value: string | number | undefined, fallback: number): number;
export declare function getLineHeightMultiplier(value: RendererStyles['lineHeight'], fontSize: number): number;
export declare function getColumnCount(mode: LayoutMode, availableWidth: number, minColumnWidth: number, gap: number, maxColumnCount: number): number;
export declare function getReadablePageCount(lines: readonly LineRange[], columnHeight: number, columns: number): number;
export declare function getLinePageIndex(line: LineRange, columnHeight: number, columns: number): number;
export declare function getSourceColumnPosition(sourceTop: number, columnHeight: number): {
    sourceColumn: number;
    offset: number;
};
export declare function getPagePaddingBlock(mode: LayoutMode, pageHeight: number, margin: number): number;
export declare function getPagePaddingInline(value: RendererStyles['pagePaddingInline'], legacyGap: RendererStyles['gap'], fallback: number): number;
export declare function getAnchorIds(value: unknown): string[];
//# sourceMappingURL=renderer-utils.d.ts.map