/**
 * Validate that a string is a valid git branch name slug.
 * Must be lowercase alphanumeric with hyphens and forward slashes only.
 */
export declare function validateBranchSlug(slug: string): {
    valid: boolean;
    error?: string;
};
export declare const MAX_SLUG_LENGTH = 50;
/**
 * Convert a string to kebab-case for branch names.
 */
export declare function slugify(input: string): string;
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