/**
 * Parse a string value, returning undefined for empty/undefined
 */
export declare function parseString(value: unknown): string;
/**
 * Parse a date value
 */
export declare function parseDate(value: unknown): Date;
/**
 * Parse a boolean value
 */
export declare function parseBoolean(value: unknown): boolean;
/**
 * Parse an array of strings
 */
export declare function parseStringArray(value: unknown): string[] | undefined;
/**
 * Parse a number value
 */
export declare function parseNumber(value: unknown): number;
/**
 * Parse an optional number value
 */
export declare function parseOptionalNumber(value: unknown): number | undefined;
/**
 * Parse entity status
 */
export declare function parseStatus(value: unknown): 'active' | 'inactive' | 'pending' | 'archived' | 'deleted';
/**
 * Parse order status
 */
export declare function parseOrderStatus(value: unknown): 'pending' | 'confirmed' | 'processing' | 'shipped' | 'delivered' | 'cancelled';
/**
 * Parse payment status
 */
export declare function parsePaymentStatus(value: unknown): 'pending' | 'completed' | 'failed' | 'refunded';
/**
 * Parse subscription status
 */
export declare function parseSubscriptionStatus(value: unknown): 'active' | 'cancelled' | 'expired' | 'paused';
/**
 * Parse subscription interval
 */
export declare function parseSubscriptionInterval(value: unknown): 'monthly' | 'yearly';
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