import { BigNumber } from 'ethers';
export declare enum GasStrategy {
    AUTO = "auto",
    MANUAL = "manual"
}
export declare enum GasTier {
    LOW = "LOW",
    MEDIUM = "MEDIUM",
    HIGH = "HIGH",
    URGENT = "URGENT"
}
export interface GasTierConfig {
    gasPrice: string;
    maxPriorityFeePerGas: string;
}
export interface NetworkGasConfig {
    strategy: GasStrategy;
    confirmations: number;
    retryPolicy: {
        maxRetries: number;
        multipliers: number[];
    };
    tiers: {
        [GasTier.LOW]: GasTierConfig;
        [GasTier.MEDIUM]: GasTierConfig;
        [GasTier.HIGH]: GasTierConfig;
        [GasTier.URGENT]: GasTierConfig;
    };
}
export declare const NETWORK_GAS_CONFIGS: Record<string, NetworkGasConfig>;
/**
 * Get network gas configuration by chain ID
 * @param chainId Network chain ID
 * @returns Network gas configuration
 */
export declare function getNetworkGasConfig(chainId: number): NetworkGasConfig;
/**
 * Get default gas tier
 * @returns Default gas tier (MEDIUM)
 */
export declare function getDefaultGasTier(): GasTier;
/**
 * Convert gas price string to BigNumber in gwei
 * @param gasPrice Gas price string
 * @returns BigNumber in gwei
 */
export declare function parseGasPrice(gasPrice: string): BigNumber;
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