import { DirectiveDefinitionNode, DocumentNode, TypeDefinitionNode } from 'graphql';
import { Link, LinkImport } from './link.js';
export type FederationVersion = keyof typeof federationSpecFactory;
export declare function isFederationVersion(version: string): version is FederationVersion;
export declare function createSpecSchema<T extends FederationVersion & string>(version: T, imports?: readonly LinkImport[]): {
    directives: DirectiveDefinitionNode[];
    types: TypeDefinitionNode[];
};
declare const federationSpecFactory: {
    'v1.0': (prefix: string) => {
        directives: DirectiveDefinitionNode[];
        types: TypeDefinitionNode[];
    };
    'v2.0': (prefix: string, imports?: readonly LinkImport[]) => {
        directives: DirectiveDefinitionNode[];
        types: TypeDefinitionNode[];
    };
    'v2.1': (prefix: string, imports?: readonly LinkImport[]) => {
        directives: DirectiveDefinitionNode[];
        types: TypeDefinitionNode[];
    };
    'v2.2': (prefix: string, imports?: readonly LinkImport[]) => {
        directives: DirectiveDefinitionNode[];
        types: TypeDefinitionNode[];
    };
    'v2.3': (prefix: string, imports?: readonly LinkImport[]) => {
        directives: DirectiveDefinitionNode[];
        types: TypeDefinitionNode[];
    };
};
export declare function isFederationLink(link: Link): boolean;
export declare function detectFederationVersion(typeDefs: DocumentNode): {
    version: "v1.0" | "v2.0" | "v2.1" | "v2.2" | "v2.3";
    imports: ({
        readonly kind: "type" | "directive";
        readonly name: string;
        readonly alias?: undefined;
    } | {
        readonly kind: "type" | "directive";
        readonly name: string;
        readonly alias: string;
    })[];
};
export {};
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