import { ChainTypeName } from "../constants/interopAddress.js";
export interface ResolveChainInput {
    chainType?: string;
    chainReference?: string;
    /** Onchain ENS-based chain registry domain. Default: "on.eth". Set false to disable. */
    onchainRegistry?: string | boolean;
    /** Whether to fall back to offchain chainid.network registry. Default: true. */
    offchainRegistryFallback?: boolean;
    /** Custom mainnet RPC URL for onchain registry lookups. */
    rpcUrl?: string;
}
export interface ResolvedChain {
    chainType: ChainTypeName;
    chainReference?: string;
}
/**
 * Resolves and validates chain identifier components.
 *
 * Handles three cases:
 * 1. Both chainType and chainReference provided: validates both and returns them
 * 2. Only chainType provided: validates and returns it (chainReference is undefined)
 * 3. Only chainReference provided: resolves shortname to chainType/chainReference, throws if can't resolve
 *
 * @param input - Object with optional chainType and chainReference
 * @returns Resolved chain with chainType (always) and chainReference (if available)
 * @throws {InvalidChainType} If chainType is invalid
 * @throws {InvalidChainIdentifier} If chainReference can't be resolved or chain combination is invalid
 */
export declare const resolveChain: (input: ResolveChainInput) => Promise<ResolvedChain>;
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