/**
 * Add proj-track files to .gitignore.
 * Creates the file if it doesn't exist, appends only missing entries.
 */
export declare function addToGitignore(dir?: string): {
    added: string[];
    alreadyPresent: string[];
};
/**
 * Standalone gitignore command — adds proj-track files to .gitignore.
 */
export declare function gitignoreCommand(): Promise<void>;
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