import type { UserConfig } from "../types/index.js";
/** Read the user config file; returns null if it doesn't exist. Throws on malformed JSON. */
export declare function readUserConfig(): UserConfig | null;
export declare function writeUserConfig(config: UserConfig): void;
export declare function onRpcConfigChange(hook: () => void): void;
/** Merge a partial update into the existing config (or create a fresh one). */
export declare function patchUserConfig(patch: Partial<UserConfig>): UserConfig;
export declare function getConfigPath(): string;
export declare function getConfigDir(): string;
/** Pull the Etherscan API key from env (highest priority) or user config. */
export declare function resolveEtherscanApiKey(userConfig: UserConfig | null): string | undefined;
/** Pull the 1inch Developer Portal API key from env or user config; undefined if none set. */
export declare function resolveOneInchApiKey(userConfig: UserConfig | null): string | undefined;
/** Pull the WalletConnect project ID from env or user config; undefined if none set. */
export declare function resolveWalletConnectProjectId(userConfig: UserConfig | null): string | undefined;