import Big from 'big.js';
/**
 * Exact-decimal parse of a venue decimal string; null when absent or
 * unparsable, so callers can gate on presence before deriving.
 * @public
 */
export declare const toBigOrNull: (value: string | undefined) => Big | null;
/**
 * Parse a required venue decimal and identify the bad field on failure.
 * @public
 */
export declare const toRequiredBig: (value: string | undefined, field: string) => Big;
/** Parse a required venue decimal that must be greater than zero. */
export declare const toPositiveRequiredBig: (value: string | undefined, field: string) => Big;
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