import { TableDescription } from '../table/table-description';
import { TableAliasDescription } from '../../dml/select/table-alias-description';
export interface FieldDescription {
    field: {
        key: string;
        table: TableDescription<any> | TableAliasDescription<any>;
    };
}
export declare const isFieldDescription: (val: any) => val is FieldDescription;
export declare const compareFieldDescription: (first: FieldDescription, second: FieldDescription) => boolean;