/** Per-chain infrastructure URLs and metadata.
 *
 *  Resolution order for RPC:
 *    1. Explicit `AzethKitConfig.rpcUrl` value
 *    2. Per-chain env var (AZETH_RPC_URL_BASE_SEPOLIA, etc. — see RPC_ENV_KEYS in utils/chains.ts)
 *    3. Chain default from this table (`rpcDefault`)
 *
 *  Resolution order for bundler/paymaster:
 *    1. Explicit config value
 *    2. Environment variable (`AZETH_BUNDLER_URL`, `AZETH_PAYMASTER_URL`)
 *    3. Chain default from this table (bundlerBaseUrl + PIMLICO_API_KEY from env)
 *    4. Error with actionable setup instructions
 */
export interface ChainConfig {
    readonly id: number;
    readonly name: string;
    /** Default public RPC endpoint (always available) */
    readonly rpcDefault: string;
    /** Bundler base URL template — append `?apikey=<KEY>` at runtime.
     *  Undefined = no default template (must provide full URL via env/config). */
    readonly bundlerBaseUrl?: string;
    /** Paymaster base URL template — same pattern as bundlerBaseUrl. */
    readonly paymasterBaseUrl?: string;
}
export declare const SUPPORTED_CHAINS: {
    readonly base: {
        readonly id: 8453;
        readonly name: "Base";
        readonly rpcDefault: "https://mainnet.base.org";
        readonly bundlerBaseUrl: "https://api.pimlico.io/v2/8453/rpc";
    };
    readonly baseSepolia: {
        readonly id: 84532;
        readonly name: "Base Sepolia";
        readonly rpcDefault: "https://sepolia.base.org";
        readonly bundlerBaseUrl: "https://api.pimlico.io/v2/84532/rpc";
    };
    readonly ethereumSepolia: {
        readonly id: 11155111;
        readonly name: "Ethereum Sepolia";
        readonly rpcDefault: "https://ethereum-sepolia-rpc.publicnode.com";
        readonly bundlerBaseUrl: "https://api.pimlico.io/v2/11155111/rpc";
    };
    readonly ethereum: {
        readonly id: 1;
        readonly name: "Ethereum";
        readonly rpcDefault: "https://eth.merkle.io";
        readonly bundlerBaseUrl: "https://api.pimlico.io/v2/1/rpc";
    };
};
export type SupportedChainName = keyof typeof SUPPORTED_CHAINS;
/** Build a full bundler URL from the chain's base URL and an API key.
 *  Returns undefined if either is missing.
 *
 *  @param chainName - Chain to look up (e.g. 'baseSepolia')
 *  @param apiKey - Pimlico API key (from PIMLICO_API_KEY env var)
 */
export declare function getBundlerUrl(chainName: SupportedChainName, apiKey?: string): string | undefined;
/** Build a full paymaster URL from the chain's base URL and an API key.
 *  Returns undefined if either is missing.
 *
 *  Pimlico uses the same endpoint for both bundler and paymaster RPCs —
 *  the differentiation is at the RPC method level (`pm_sponsorUserOperation`
 *  vs `eth_sendUserOperation`), not the URL level.
 *
 *  @param chainName - Chain to look up (e.g. 'baseSepolia')
 *  @param apiKey - Pimlico API key (from PIMLICO_API_KEY env var)
 */
/** Build the Azeth server bundler proxy URL from a server URL.
 *
 *  Used as a fallback when no PIMLICO_API_KEY is available — the Azeth server
 *  proxies bundler requests using its own API key (testnet only).
 *
 *  @param serverUrl - Azeth server URL (e.g. 'https://api.azeth.ai')
 *  @param chainId - Optional chain ID to route to the correct bundler (e.g. 11155111 for Eth Sepolia)
 */
export declare function getServerBundlerUrl(serverUrl: string, chainId?: number): string;
export declare function getPaymasterUrl(chainName: SupportedChainName, apiKey?: string): string | undefined;
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