import type { ApiConfig, ApiError, AppsDbHttpError, SharedApiConfig, V3Token, V3Error } from './types';
export declare const isApiConfig: (json: unknown) => json is ApiConfig;
export declare const assertApiConfig: (json: unknown) => ApiConfig;
export declare const isApiError: (json: unknown) => json is ApiError;
export declare const assertApiError: (json: unknown) => ApiError;
export declare const isSharedApiConfig: (json: unknown) => json is SharedApiConfig;
export declare const assertSharedApiConfig: (json: unknown) => SharedApiConfig;
export declare const isV3Token: (json: unknown) => json is V3Token;
export declare const assertV3Token: (json: unknown) => V3Token;
export declare const isV3Error: (json: unknown) => json is V3Error;
export declare const assertV3Error: (json: unknown) => V3Error;
export declare const isAppsDbHttpError: (json: unknown) => json is AppsDbHttpError;
export declare const assertAppsDbHttpError: (json: unknown) => AppsDbHttpError;
export declare const isCustomToken: (token: unknown) => token is string;