export declare const headersWithApiKey: {
    'X-Center-User-Agent': string;
    'X-Api-Key': string;
};
export declare const headersWithoutApiKey: {
    'X-Center-User-Agent': string;
};
export declare const errorTextBadRequest = "Bad Request";
export declare const errorTextUnauthorized = "Unauthorized";
export declare const errorTextUnprocessableEntity = "Unprocessable Entity";
export declare const invalidApiKey = "test";
export declare const invalidAddress = "test";
export declare const invalidTokenId = "test";
export declare const invalidNetwork = "test";
export declare const invalidQuery = "";
export declare const validQuery = "test";
export declare const validApiKey = "nft-react-demo-page";
export declare const validAddress = "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D";
export declare const validNetwork = "ethereum-mainnet";
export declare const validTokenId = "1183";
export declare const validPreset = "small";