/**
 * This module provides functions for calculating & validating
 * transaction fees.
 */
import { FeeValidationError } from "./types";
/**
 * Provide a readable message from a FeeValidationError for user display.
 */
export declare function getFeeErrorMessage(error: FeeValidationError | null): string;
/**
 * Validate the given transaction fee and input sats. Returns a fee
 * validation error type if invalid. Returns null if valid.
 */
export declare function checkFeeError(feeSats: any, inputsTotalSats: any): FeeValidationError.FEE_CANNOT_BE_NEGATIVE | FeeValidationError.FEE_TOO_HIGH | FeeValidationError.INPUT_AMOUNT_MUST_BE_POSITIVE | FeeValidationError.INVALID_FEE | FeeValidationError.INVALID_INPUT_AMOUNT | null;
/**
 * Validate the given transaction fee rate (sats/vByte). Returns a fee
 * validation error type if invalid. Returns null if valid.
 */
export declare function checkFeeRateError(feeRateSatsPerVbyte: any): FeeValidationError.FEE_RATE_CANNOT_BE_NEGATIVE | FeeValidationError.FEE_RATE_TOO_HIGH | FeeValidationError.INVALID_FEE_RATE | null;
/**
 * Validate the given transaction fee rate (in Satoshis/vbyte). Returns an
 * error message if invalid. Returns empty string if valid.
 *
 * - Must be parseable as a number.
 *
 * - Cannot be negative (zero is OK).
 *
 * - Cannot be greater than the limit set by
 *   `MAX_FEE_RATE_SATS_PER_VBYTE`.
 */
export declare function validateFeeRate(feeRateSatsPerVbyte: any): string;
/**
 * Validate the given transaction fee (in Satoshis).
 *
 * - Must be a parseable as a number.
 *
 * - Cannot be negative (zero is OK).
 *
 * - Cannot exceed the total input amount.
 *
 * - Cannot be higher than the limit set by `MAX_FEE_SATS`.
 */
export declare function validateFee(feeSats: any, inputsTotalSats: any): string;
/**
 * Estimate transaction fee rate based on actual fee and address type, number of inputs and number of outputs.
 */
export declare function estimateMultisigTransactionFeeRate(config: any): string | null;
/**
 * Estimate transaction fee based on fee rate, address type, number of inputs and outputs.
 */
export declare function estimateMultisigTransactionFee(config: any): string | null;