import { DataModel } from '@zenstackhq/language/ast';
import { ValidationAcceptor } from 'langium';
import { AstValidator } from '../types';
/**
 * Validates data model declarations.
 */
export default class DataModelValidator implements AstValidator<DataModel> {
    validate(dm: DataModel, accept: ValidationAcceptor): void;
    private validateFields;
    private validateField;
    private validateAttributes;
    private parseRelation;
    private isSelfRelation;
    private validateRelationField;
    private isFieldInheritedFromDelegateModel;
    private validateBaseAbstractModel;
    private validateBaseDelegateModel;
    private validateInheritance;
}
export interface MissingOppositeRelationData {
    relationDataModelName: string;
    relationFieldName: string;
    relationFieldDocUri: string;
    dataModelName: string;
}