import { DBEntity } from "./db-entity";
import DBSourceGroup from "./db-source-group";
import DBSubmission from "./db-submission";
import DBComment from "./db-comment";
export default class DBFilter extends DBEntity {
    id: number;
    sourceGroup: Promise<DBSourceGroup>;
    forSubmissions: boolean;
    field: string;
    comparator: ComparatorKeys;
    valueJSON: string;
    get value(): any;
    set value(val: any);
    validate(post: DBSubmission | DBComment, url?: string): boolean;
}
declare type ComparatorKeys = '>' | '<' | '=' | 're';
declare type Comparator = (val1: any, val2: any) => boolean;
export declare const comparators: Record<ComparatorKeys, Comparator>;
export {};