import { ValidationContext } from '../validation';
import { ObjectTypeBase } from './object-type-base';
import { EntityExtensionTypeConfig, TypeKind } from '../config';
import { Model } from './model';
export declare class EntityExtensionType extends ObjectTypeBase {
    constructor(input: EntityExtensionTypeConfig, model: Model);
    readonly kind: TypeKind.ENTITY_EXTENSION;
    readonly isChildEntityType: false;
    readonly isRootEntityType: false;
    readonly isEntityExtensionType: true;
    readonly isValueObjectType: false;
    validate(context: ValidationContext): void;
    private validateRecursion;
}