import { SourceTableDescription } from '../source-table';
import { ConditionDescription } from '../../../operands/condition-description';
export interface JoinDescription {
    join: 'inner' | 'left' | 'right' | 'full' | 'cross';
    table: SourceTableDescription<any>;
    condition: ConditionDescription;
}
export declare const isJoinDescription: (val: any) => val is JoinDescription;