/**
 * Example module augmentation for Hand namespace
 * This demonstrates how other files can extend the Hand namespace
 */
import type { Hand } from '../Hand';
/**
 * Custom CSV serialization format for hands
 * @param hand - Hand to serialize
 * @returns CSV string representation
 */
export declare function toCSV(hand: Hand): string;
/**
 * Custom compact format for logging
 * @param hand - Hand to serialize
 * @returns Compact string representation
 */
export declare function toCompact(hand: Hand): string;
declare module '../Hand' {
    namespace Hand {
        /**
         * Export hand as CSV format
         * @param hand - Hand to serialize
         * @returns CSV string representation
         */
        const toCSV: typeof import('./custom').toCSV;
        /**
         * Export hand in compact format for logging
         * @param hand - Hand to serialize
         * @returns Compact string representation
         */
        const toCompact: typeof import('./custom').toCompact;
    }
}
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