Interface DocumentDiagnostic

interface DocumentDiagnostic {
    code:
        | "BAD_VERSION"
        | "BAD_SHAPE"
        | "DUPLICATE_ID"
        | "UNKNOWN_PARENT"
        | "PARENT_CYCLE"
        | "UNKNOWN_ENDPOINT"
        | "UNKNOWN_PORT"
        | "HIERARCHY_FLATTENED";
    message: string;
    subject: string;
}