/**
 * Use case for validating branch name format
 */
export declare class ValidateBranchNameUseCase {
    private readonly BRANCH_NAME_PATTERN;
    /**
     * Execute the use case
     * @param branchName The branch name to validate
     * @returns Validation result with error message if invalid
     */
    execute(branchName: string): {
        errorMessage?: string;
        isValid: boolean;
    };
}