export declare const toChainIdString: (chainId: number) => string;
export declare const toChainIdNumber: (chainId: string) => number;
export declare const networkData: {
    [key: string]: any;
};
export declare const once: (name: string, callback: () => void) => void;
export declare const toKey: (v: string) => string;
export declare const toCamelCase: (v: string) => string;