import type { Address, Hex } from 'viem';
import type { ProtocolDecoder } from './types.js';
export interface ContractEntry {
    protocol: string;
    decoder: ProtocolDecoder;
}
export interface RegistryConfig {
    contracts: Record<string, ContractEntry>;
    interfaceDecoders: ProtocolDecoder[];
}
export declare class ProtocolRegistry {
    private readonly addressMap;
    private readonly interfaceDecoders;
    constructor(config: RegistryConfig);
    /**
     * Lookup protocol by chainId + contract address (Stage 1).
     * Falls back to interface-based decoder matching by selector (Stage 2).
     */
    resolve(chainId: number, to: Address, selector: Hex): ProtocolDecoder | undefined;
}
export declare function createDefaultRegistry(): RegistryConfig;