import { Address } from '@xchainjs/xchain-util';
import { FeeBounds } from '@xchainjs/xchain-client';
import { TxParams, UTXO } from './types';
/**
 * Comprehensive input validation for UTXO transactions
 */
export declare class UtxoTransactionValidator {
    /**
     * Validate transaction parameters
     */
    static validateTransferParams(params: TxParams & {
        sender?: Address;
        feeRate?: number;
    }, feeBounds?: FeeBounds): void;
    /**
     * Validate UTXO set for consistency and correctness
     */
    static validateUtxoSet(utxos: UTXO[]): void;
    /**
     * Basic address validation - checks for null/empty and basic format
     * NOTE: Chain-specific validation should be done by the respective client packages
     */
    static validateAddressBasic(address: string): void;
    /**
     * Validate fee rate against network conditions
     */
    static validateFeeRate(feeRate: number, networkConditions?: {
        minFeeRate?: number;
        maxFeeRate?: number;
        recommendedRange?: [number, number];
    }): void;
    /**
     * Validate transaction size limits
     */
    static validateTransactionSize(estimatedSize: number, maxSize?: number): void;
    private static containsControlCharacters;
    private static sanitizeParamsForLogging;
}