/**
 * UserOp Submission — handles sending signed UserOps to the chain.
 *
 * Two modes:
 *   1. Self-relay: WORKER_PRIVATE_KEY calls handleOps (needs ETH)
 *   2. Relayer:    RELAYER_PRIVATE_KEY calls handleOps (worker needs no ETH)
 *
 * The relayer pattern matches b402-facilitator's walletIncognitoSettle —
 * a separate funded wallet submits the TX and receives gas refund.
 */
import { ethers } from 'ethers';
import type { PackedUserOp } from './userop-builder';
export interface SubmitConfig {
    /** The provider to use */
    provider: ethers.JsonRpcProvider;
    /** Worker's private key (signs UserOps, may also submit if no relayer) */
    workerKey: string;
    /** Separate relayer key for gas-free submission. If set, worker needs no ETH. */
    relayerKey?: string;
    /** Gas limit for the outer handleOps call */
    gasLimit?: bigint;
}
/**
 * Submit a signed UserOp via EntryPoint.handleOps().
 *
 * If relayerKey is provided, the relayer wallet calls handleOps (worker needs no ETH).
 * Otherwise, the worker wallet calls handleOps (worker needs ETH for gas).
 */
export declare function submitUserOp(userOp: PackedUserOp, config: SubmitConfig): Promise<{
    txHash: string;
    blockNumber: number;
}>;
/**
 * Resolve the relayer key from env or config.
 * Falls back to worker key if no relayer is configured.
 */
export declare function resolveRelayerKey(): string | undefined;