import { Expression } from './expression.js';
export declare enum JoinType {
    From = "from",
    Inner = "inner"
}
export interface BaseProduct {
    id: string;
    virtualSourceId: string;
    joinType: JoinType;
}
export interface FromProduct extends BaseProduct {
    joinType: JoinType.From;
}
export interface JoinProduct extends BaseProduct {
    joinType: JoinType.Inner;
    predicate: Expression;
}
export type Product = FromProduct | JoinProduct;