/**
 * Intelligent git diff processor that handles large diffs by sampling and prioritization
 * instead of blind truncation.
 */
export interface IDiffFileInfo {
    filepath: string;
    status: 'added' | 'modified' | 'deleted';
    linesAdded: number;
    linesRemoved: number;
    totalLines: number;
    estimatedTokens: number;
    diffContent: string;
}
export interface IProcessedDiff {
    summary: string;
    fullDiffs: string[];
    summarizedDiffs: string[];
    metadataOnly: string[];
    totalFiles: number;
    totalTokens: number;
}
export interface IDiffProcessorOptions {
    maxDiffTokens?: number;
    smallFileLines?: number;
    mediumFileLines?: number;
    sampleHeadLines?: number;
    sampleTailLines?: number;
}
export declare class DiffProcessor {
    private options;
    constructor(options?: IDiffProcessorOptions);
    /**
     * Process an array of git diffs into a structured, token-efficient format
     */
    processDiffs(diffStringArray: string[]): IProcessedDiff;
    /**
     * Format the processed diff for inclusion in context
     */
    formatForContext(processed: IProcessedDiff): string;
    /**
     * Parse a single git diff string into file information
     */
    private parseDiffFile;
    private normalizeDiffPath;
    private decodeDiffPath;
    private parseGitHeaderPath;
    /**
     * Prioritize files by importance (source files before build artifacts)
     */
    private prioritizeFiles;
    /**
     * Calculate importance score for a file path
     */
    private getFileImportanceScore;
    /**
     * Extract head and tail lines from a diff, omitting the middle
     */
    private extractDiffSample;
    /**
     * Get file status prefix with emoji
     */
    private getFileStatusPrefix;
    /**
     * Extract filepath from diff content
     */
    private extractFilepathFromDiff;
    /**
     * Format file info as metadata only
     */
    private formatMetadataOnly;
    /**
     * Generate human-readable summary of processed diff
     */
    private generateSummary;
}