import { ChangeDetectorRef, EventEmitter } from '@angular/core';
import { ValueField } from '../../models/valuefield';
import { MathFunction } from '../../models/mathfunction';
export declare class MDGFormulaSelectorComponent {
    private cdRef;
    value: ValueField;
    formula: any[];
    updateFormula: EventEmitter<MathFunction>;
    showFormula: boolean;
    onKeydownHandler(event: KeyboardEvent): void;
    constructor(cdRef: ChangeDetectorRef);
    ShowFormula(val: ValueField): void;
    selectFormula(forml: MathFunction): void;
    applyFilter(): void;
    CancelFormula(): void;
    detectChanges(): void;
}