import { GraphQLFormattedError } from 'graphql';
import { GqlErrorCodeEnum } from '../../consts';
import { GqlErrorResponse } from '../../types';
export declare function getGqlErrors(e: unknown): readonly GraphQLFormattedError[] | undefined;
export declare function getGqlError(gqlErrors?: readonly GraphQLFormattedError[]): GqlErrorResponse;
export declare function getGqlErrorCode(gqlErrors?: readonly GraphQLFormattedError[]): GqlErrorCodeEnum;
export declare function isGqlUnauthorizedError(gqlErrors?: readonly GraphQLFormattedError[]): boolean;
export declare function isGqlUnknownError(gqlErrors?: readonly GraphQLFormattedError[]): boolean;
export declare function isGqlBusinessError(gqlErrors?: readonly GraphQLFormattedError[]): boolean;
export declare function getNonFieldGqlError(e: unknown): string | null;