import { DefaultTokenOptions, defaultTypedValueOptions, ReferrerOptions } from '../types';
export declare const validateSupportedChains: (chainIds: string[]) => {
    hasNotSupported: boolean;
    notSupported: string[];
};
export declare const validateReferrerOptions: (params: ReferrerOptions) => string;
export declare const validateDefaultTokensOptions: (input?: DefaultTokenOptions | undefined, output?: DefaultTokenOptions | undefined) => string;
export declare const validateDefaultValue: (params: defaultTypedValueOptions) => string;