/**
 * Enhanced Page metadata with simplified line tracking and no marks management
 * (Marks are now handled globally by the page coordinate system)
 */
export class PageInfo {
    /**
     * Calculate fast checksum for change detection
     * @param {Buffer} data - Data to checksum
     * @returns {string} - Checksum
     */
    static calculateChecksum(data: Buffer): string;
    constructor(pageId: any, fileOffset: any, originalSize: any, checksum?: null);
    pageId: any;
    fileOffset: any;
    originalSize: any;
    checksum: any;
    isDirty: boolean;
    isLoaded: boolean;
    isDetached: boolean;
    currentSize: any;
    data: Buffer<ArrayBufferLike> | null;
    lastAccess: number;
    newlinePositions: any[];
    linesCacheValid: boolean;
    /**
     * Update page with new data and invalidate caches as needed
     * @param {Buffer} data - New data
     */
    updateData(data: Buffer): void;
    /**
     * Rebuild the newline positions cache
     * @param {Buffer} data - Page data
     * @private
     */
    private _rebuildLineCache;
    /**
     * Ensure line cache is valid and up to date
     */
    ensureLineCacheValid(): void;
    /**
     * Get the number of newlines in this page
     * @returns {number} - Number of \n characters
     */
    getNewlineCount(): number;
    /**
     * Get global line starts contributed by this page
     * @param {number} pageVirtualStart - Virtual start address of this page
     * @returns {number[]} - Array of global line start positions
     */
    getGlobalLineStarts(pageVirtualStart: number): number[];
    /**
     * Update line cache after a modification within this page
     * @param {number} offset - Offset within page where modification occurred
     * @param {number} deletedBytes - Number of bytes deleted
     * @param {Buffer} insertedData - Data that was inserted
     */
    updateAfterModification(_offset: any, _deletedBytes: any, _insertedData: any): void;
    /**
     * Verify page integrity against original file
     * @param {Buffer} originalData - Data from original file
     * @returns {boolean} - True if page matches original
     */
    verifyIntegrity(originalData: Buffer): boolean;
    /**
     * Get memory usage statistics for this page
     * @returns {Object} - Memory usage info
     */
    getMemoryStats(): Object;
}
export class LineInfo {
    constructor(startOffset: any, length: any, endsWithNewline?: boolean);
    startOffset: any;
    length: any;
    endsWithNewline: boolean;
    get endOffset(): any;
    get contentLength(): any;
}
export class MarkInfo {
    constructor(name: any, pageOffset: any, virtualAddress: any);
    name: any;
    pageOffset: any;
    virtualAddress: any;
}
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