export interface AliasDirectiveImport {
    name: string;
    as: string;
}
export declare type FederationVersion = 1 | 2;
export declare type FederationConfig = Federation2Config;
export interface Federation2Config {
    version: 2;
    /**
     * The imported directives
     * @default ['@key', '@shareable', '@external', '@override', '@requires']
     */
    directives?: (string | AliasDirectiveImport)[];
    /**
     * The import link
     * @default 'https://specs.apollo.dev/federation/v2.0'
     */
    importUrl?: string;
}
export interface SchemaFileConfig {
    /**
     * Federation version and its configuration,
     *
     * @default 1
     */
    federation?: FederationVersion | FederationConfig;
    /**
     * Path to the schema file.
     */
    path?: string;
}
export declare type AutoSchemaFileValue = boolean | string | SchemaFileConfig;
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