import type { PdfPageContent } from '../models/PdfPageContent.js';
/**
 * Enhanced PdfPageComposer with structural analysis for reliable page composition.
 * Uses content flow analysis, typography patterns, and semantic structure detection.
 */
export declare class PdfPageComposer {
    /**
     * Analyze and compose pages that have continuous content flow.
     * @param pages Array of PDF page content
     * @returns Array of composed pages with merged continuous content
     */
    static composePages(pages: PdfPageContent[]): PdfPageContent[];
    /**
     * Check if content flows continuously from one page to the next using structural analysis.
     */
    private static hasContentContinuity;
    /**
     * Detect if a page is a cover page (standalone).
     */
    private static isCoverPage;
    /**
     * Detect if a page starts a new section.
     */
    private static isNewSectionStart;
    /**
     * Analyze the content type of a page.
     */
    private static analyzeContentType;
    /**
     * Check text flow continuity between pages.
     */
    private static hasTextFlowContinuity;
    /**
     * Check for interview-specific flow continuity patterns.
     */
    private static hasInterviewFlowContinuity;
    /**
     * Check typography consistency between pages.
     */
    private static hasTypographyConsistency;
    /**
     * Get the ratio of header elements to total text elements.
     */
    private static getHeaderRatio;
    /**
     * Check structural continuity between pages.
     */
    private static hasStructuralContinuity;
    /**
     * Compose multiple pages into a single page with proper element ordering.
     * Uses the same advanced algorithm as PdfElementComposer for consistent ordering.
     */
    private static composePageGroup;
    /**
     * Order elements spatially while preserving page context.
     * Elements from the same original page stay together in proper reading order.
     *
     * IMPORTANT: We preserve the original element order from PdfElementComposer,
     * which has already established proper column-based reading order.
     * We only ensure pages are concatenated in the correct sequence.
     */
    private static orderElementsSpatially;
    private static getTextElements;
    private static getCleanPageText;
    private static getCleanText;
    private static getDominantFontCharacteristics;
    private static getElementTypeDistribution;
}
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