import { type FormatVersion, type FormatConfig } from './types.js';
/**
 * Detect format from existing filesystem structure for a customer
 * Returns null if the customer directory doesn't exist or is empty
 */
export declare function detectFormatFromFilesystem(customerIdn: string): FormatVersion | null;
/**
 * Resolve the format version for a customer using the full resolution chain
 *
 * @param customerIdn - Customer identifier
 * @param explicitFormat - Optional --format flag value
 */
export declare function resolveFormat(customerIdn: string, explicitFormat?: string): FormatConfig;
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