import { GraphQLProjectConfig } from 'graphql-config';
import { IntrospectionResult } from '../../types';
export declare function fetchSchema(uri: string): Promise<IntrospectionResult>;
export declare function checkAndLoadSchema(uri: string, timeout?: number): Promise<IntrospectionResult>;
export declare function loadSchema(uri: string): Promise<IntrospectionResult>;
export declare function getUnionsAndInterfacesFromInstrospection(introspection: IntrospectionResult): {
    kind: "INTERFACE" | "UNION";
    name: string;
    possibleTypes: {
        kind: "OBJECT";
        name: string;
    }[];
}[];
export declare function getGraphQLUnionAndInterfacesPath(project: GraphQLProjectConfig): string;
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