export declare function groupParentsChildrenRelations<C extends {
    fkColumn: string;
    nullable: boolean;
    targetColumn: string;
}, T extends {
    fkTable: string;
    id: string;
    keys: Array<C>;
    targetTable: string;
}>(databaseRelationships: Array<T>, tableIds: Array<string>): Map<string, {
    children: Array<T>;
    parents: Array<T>;
}>;