import type { NetworkClientId, Provider } from '@metamask/network-controller';
import type { Hex } from '@metamask/utils';
import type { TransactionControllerMessenger } from '../TransactionController.js';
type ProviderRequestParams = Parameters<Provider['request']>[0]['params'];
/**
 * Get a provider for the specified chain or network client.
 * Resolves chainId to networkClientId if needed, then gets the provider.
 *
 * @param request - The request object.
 * @param request.messenger - The TransactionController messenger.
 * @param request.chainId - The chain ID to resolve to a network client.
 * @param request.networkClientId - The network client ID to use directly.
 * @returns The Provider instance.
 */
export declare function getProvider({ messenger, chainId, networkClientId, }: {
    messenger: TransactionControllerMessenger;
    chainId?: Hex;
    networkClientId?: NetworkClientId;
}): Provider;
/**
 * Send an RPC request to the network for the specified chain or network client.
 *
 * @param request - The request object.
 * @param request.messenger - The TransactionController messenger.
 * @param request.chainId - The chain ID to resolve to a network client.
 * @param request.networkClientId - The network client ID to use directly.
 * @param request.method - The JSON-RPC method name.
 * @param request.params - Optional parameters for the RPC call.
 * @returns The RPC response.
 */
export declare function rpcRequest({ messenger, chainId, networkClientId, method, params, }: {
    messenger: TransactionControllerMessenger;
    chainId?: Hex;
    networkClientId?: NetworkClientId;
    method: string;
    params?: ProviderRequestParams;
}): Promise<unknown>;
/**
 * Get the network client ID for the specified chain or network client.
 *
 * @param request - The request object.
 * @param request.messenger - The TransactionController messenger.
 * @param request.chainId - The chain ID to resolve to a network client.
 * @param request.networkClientId - The network client ID to use directly.
 * @returns The network client ID.
 */
export declare function getNetworkClientId({ messenger, chainId, networkClientId, }: {
    messenger: TransactionControllerMessenger;
    chainId?: Hex;
    networkClientId?: NetworkClientId;
}): NetworkClientId;
/**
 * Get the chain ID for the specified network client.
 *
 * @param request - The request object.
 * @param request.messenger - The TransactionController messenger.
 * @param request.networkClientId - The network client ID.
 * @returns The chain ID.
 */
export declare function getChainId({ messenger, networkClientId, }: {
    messenger: TransactionControllerMessenger;
    networkClientId: NetworkClientId;
}): Hex;
export {};
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