/**
 * Converts an API decimal string (human units, e.g. `"1250.5"`) into base-unit
 * bigint at the given token decimals (e.g. `1250500000n` for 6 decimals).
 *
 * The conversion is exact: a value with more significant fractional digits
 * than `decimals` throws `DecimalPrecisionError` rather than rounding.
 * Hand-rolled instead of viem's `parseUnits`, which silently rounds excess
 * precision (`parseUnits('1.0000005', 6)` → `1000001n`) — unacceptable for
 * financial amounts.
 */
export declare function decimalToBigInt(value: string, decimals: number): bigint;
/**
 * Formats a base-unit bigint back into the API's human decimal-string
 * representation (no trailing fractional zeros, no exponent notation).
 */
export declare function bigIntToDecimal(value: bigint, decimals: number): string;
/** Vault shares are always reported in 18-decimal units by the Gaia API. */
export declare const SHARE_DECIMALS = 18;
/** Parses an API share amount (decimal string) into base-unit bigint (1e18). */
export declare function sharesToBigInt(value: string): bigint;
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