import { OnInit, EventEmitter, OnChanges } from '@angular/core';
import { DatagridComponent } from '@farris/ui-datagrid';
import { ExpressionEventService } from '../utils/expression-event-service';
export declare class ExpressionVarGridComponent implements OnInit, OnChanges {
    private eventService;
    private localeId;
    private localePipe;
    constructor(eventService: ExpressionEventService);
    elements: any;
    dg: DatagridComponent;
    selectVarRow: EventEmitter<{}>;
    columns: {
        field: string;
        title: string;
    }[];
    items: any[];
    ngOnInit(): void;
    ngOnChanges(): void;
    selectRowChange($event: any): void;
}