export declare const $APSExternalReference: {
    readonly properties: {
        readonly externalId: {
            readonly type: "string";
            readonly isRequired: true;
        };
        readonly displayName: {
            readonly type: "string";
            readonly isRequired: true;
        };
        readonly externalSystemId: {
            readonly type: "string";
            readonly isRequired: true;
        };
    };
};