/**
 * Git Diff Utilities
 * Centralized logic for filtering, cleaning, and processing git diffs.
 */
/**
 * Filters out noisy files from the git diff to save tokens and improve focus.
 * Logic: EXCLUDE if filename matches any pattern.
 *
 * @param fullDiff The raw git diff string
 * @param excludePatterns Optional list of patterns (strings or regex) to exclude if matched in the filename
 */
export declare function filterGitDiff(fullDiff: string, excludePatterns?: string[]): string;
/**
 * Filters a unified git diff string to only include changes to specified files.
 * Logic: INCLUDE ONLY if filename matches allow list.
 *
 * @param fullDiff The raw git diff string
 * @param allowedFilePaths List of absolute or relative file paths to include
 * @param projectRoot Root directory to resolve relative paths against
 */
export declare function filterDiffByInclusion(fullDiff: string, allowedFilePaths: string[], projectRoot: string): string;
/**
 * Checks if a file path should be excluded from lineage tracking.
 * Uses SYSTEM_EXCLUSION_PATTERNS to filter out noise files.
 *
 * @param filePath The file path to check (can be absolute or relative)
 * @returns true if the file should be excluded from lineage
 */
export declare function shouldExcludeFromLineage(filePath: string): boolean;
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