import { Change } from '@graphql-inspector/core';
import { GraphQLSchema, Source } from 'graphql';
import { CheckConclusion, ActionResult, PullRequest } from './types';
export declare type DiffInterceptor = string | {
    url: string;
    headers?: {
        [header: string]: string;
    };
};
export interface DiffInterceptorPayload {
    pullRequests?: PullRequest[];
    ref?: string;
    changes: Change[];
}
export declare type DiffInterceptorResponse = {
    changes: Change[];
    conclusion?: CheckConclusion;
};
export declare function diff({ path, schemas, sources, interceptor, pullRequests, ref, }: {
    path: string;
    schemas: {
        old: GraphQLSchema;
        new: GraphQLSchema;
    };
    sources: {
        old: Source;
        new: Source;
    };
    interceptor?: DiffInterceptor;
    pullRequests?: PullRequest[];
    ref?: string;
}): Promise<ActionResult>;