declare enum RelationTypes {
    ONE_TO_ONE = "ONE_TO_ONE",
    ONE_TO_MANY = "ONE_TO_MANY",
    MANY_TO_MANY = "MANY_TO_MANY",
    MANY_TO_ONE = "MANY_TO_ONE"
}
declare class Relation {
    static ONE_TO_ONE: RelationTypes;
    static ONE_TO_MANY: RelationTypes;
    static MANY_TO_ONE: RelationTypes;
    static MANY_TO_MANY: RelationTypes;
    type: RelationTypes;
    readonly targetMetadataKey: string;
    readonly serializedKey: string;
    readonly attributeName: string;
    /**
     * @param {RelationTypes} type the type of relation
     * @param {string} targetMetadataKey must match the first argument of `ClassMetadata` constructor of the target entity
     * @param {string} serializedKey the key returned from your API
     * @param {string|null} attributeName the name in your entity, default to the `serializedKey` attribute
     */
    constructor(type: RelationTypes, targetMetadataKey: string, serializedKey: string, attributeName?: string | null);
    isOneToOne(): boolean;
    isOneToMany(): boolean;
    isManyToOne(): boolean;
    isManyToMany(): boolean;
    isRelationToMany(): boolean;
    isRelationToOne(): boolean;
}
export default Relation;