export interface ISubgraphError {
    message: string;
    location: any[];
}
export type SubgraphResult<T> = {
    data: T;
} | {
    errors: ISubgraphError[];
};
export declare class SubgraphError extends Error {
    errors: ISubgraphError[];
    constructor(errors: ISubgraphError[]);
}
export declare const fetchSubgraph: <T>(subgraphUrl: string, query: string, variables?: object, init?: RequestInit) => Promise<T>;