/**
 * Gitignore Utilities
 *
 * Shared functions for checking and updating .gitignore entries.
 */
/**
 * Check if an entry exists in .gitignore
 */
export declare function isGitignored(rootDir: string, entry: string): boolean;
/**
 * Append a line to .gitignore if not already present.
 * Returns true if the entry was added, false if already present.
 */
export declare function ensureGitignored(rootDir: string, entry: string): boolean;
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