/**
 * Convert an unsigned decimal number in `s` to a bignum
 *
 * @param size bignum size (bytes)
 */
export declare const decimalToBinary: (size: number, s: string) => Uint8Array;
/**
 * Convert `bignum` to an unsigned decimal number
 *
 * @param minDigits 0-pad result to this many digits
 */
export declare const binaryToDecimal: (bignum: Uint8Array, minDigits?: number) => string;
/** Is `bignum` a negative number? */
export declare const isNegative: (bignum: Uint8Array) => boolean;
/** Negate `bignum` */
export declare const negate: (bignum: Uint8Array) => void;
/**
 * Convert a signed decimal number in `s` to a bignum
 *
 * @param size bignum size (bytes)
 */
export declare const signedDecimalToBinary: (size: number, s: string) => Uint8Array;
/**
 * Convert `bignum` to a signed decimal number
 *
 * @param minDigits 0-pad result to this many digits
 */
export declare const signedBinaryToDecimal: (bignum: Uint8Array, minDigits?: number) => string;
export declare const checkRange: (orig: number, converted: number) => number;
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