/**
 * Local configuration for the privacy layer
 *
 * Base tokens are defined inline. BSC/other chain tokens are resolved
 * via B402_CHAINS in config/chains.ts at runtime.
 */
export type SupportedToken = 'USDC' | 'WETH' | 'DAI' | 'AERO' | 'USDT' | 'WBNB' | 'USD1';
export declare const SUPPORTED_TOKENS: Record<string, {
    address: string;
    symbol: string;
    decimals: number;
}>;
export declare const BACKEND_API_URL: string;
export declare const PRIVACY_CONFIG: {
    readonly BACKEND_API_URL: string;
    readonly RAILGUN_SMART_WALLET: `0x${string}`;
    readonly INCOGNITO_RESERVED_MESSAGE: "b402 Incognito EOA Derivation";
    readonly INCOGNITO_SALT_PREFIX: "b402-incognito";
    readonly CACHE_TTL: {
        readonly BALANCE: number;
        readonly COMMITMENTS: number;
        readonly MERKLE_PROOF: number;
    };
    readonly B402_RAILGUN_KEYS: {
        masterPublicKey: string;
        viewingPublicKey: string;
    };
    readonly FEE_CONFIG: {
        readonly DEFAULT_FEE_PERCENTAGE: 1;
        readonly MIN_FEE_WEI: "1000000000000000";
    };
};