import type { Logger } from 'pino';
import { ProtocolType } from '@hyperlane-xyz/utils';
export type InflightRebalanceQueryParams = {
    bridges: string[];
    routersByDomain: Record<number, string>;
    txSender: string;
    limit?: number;
};
export type UserTransferQueryParams = {
    routersByDomain: Record<number, string>;
    excludeTxSenders: string[];
    limit?: number;
};
export type RebalanceActionQueryParams = {
    bridges: string[];
    routersByDomain: Record<number, string>;
    rebalancerAddress: string;
    inventorySignerAddresses?: string[];
    limit?: number;
};
export type ExplorerMessage = {
    msg_id: string;
    origin_domain_id: number;
    destination_domain_id: number;
    sender: string;
    recipient: string;
    origin_tx_hash: string;
    origin_tx_sender: string;
    origin_tx_recipient: string;
    is_delivered: boolean;
    message_body: string;
    send_occurred_at: string | null;
};
export interface IExplorerClient {
    getInflightUserTransfers(params: UserTransferQueryParams, logger: Logger): Promise<ExplorerMessage[]>;
    getInflightRebalanceActions(params: RebalanceActionQueryParams, logger: Logger): Promise<ExplorerMessage[]>;
}
export declare class ExplorerClient implements IExplorerClient {
    private readonly baseUrl;
    private readonly getProtocol;
    constructor(baseUrl: string, getProtocol: (domainId: number) => ProtocolType);
    /**
     * Convert an address to PostgreSQL bytea format (\\x-prefixed hex).
     * When `domain` is provided, resolves the chain's protocol to encode
     * non-EVM addresses (e.g. base58 Solana, 32-byte Starknet) correctly
     * via `addressToByteHexString`. Without `domain`, assumes the address
     * is already EVM-format hex (used for bridges, txSender, etc. which
     * are always EVM addresses).
     */
    private toBytea;
    /**
     * Normalize all hex fields in Explorer response from PostgreSQL bytea format (\\x) to standard hex (0x)
     */
    private normalizeExplorerMessage;
    hasUndeliveredRebalance(params: InflightRebalanceQueryParams, logger: Logger): Promise<boolean>;
    /**
     * Query inflight user transfers from the Explorer.
     * Returns transfers where sender/recipient are routers, excluding rebalancer's own transactions.
     */
    getInflightUserTransfers(params: UserTransferQueryParams, logger: Logger): Promise<ExplorerMessage[]>;
    /**
     * Query inflight rebalance actions from the Explorer.
     * Returns messages where sender/recipient are bridges, tx sender is the rebalancer,
     * and origin_tx_recipient is one of this warp route's routers.
     */
    getInflightRebalanceActions(params: RebalanceActionQueryParams, logger: Logger): Promise<ExplorerMessage[]>;
}
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