import { OnDestroy, OnInit } from '@angular/core';
import { FormGroup, FormControl } from '@angular/forms';
import { bl_fi_generic_doc_line_RowClass, FinancialItemContainerModel, TaxCodeContainerModel } from 'blg-akaun-ts-lib';
import { Observable } from 'rxjs';
export declare class LineCalculationComponent implements OnInit, OnDestroy {
    apiVisa: any;
    line$: Observable<bl_fi_generic_doc_line_RowClass>;
    item$: Observable<FinancialItemContainerModel>;
    tax$: Observable<{
        sst: TaxCodeContainerModel[];
        wht: TaxCodeContainerModel[];
    }>;
    private subs;
    form: FormGroup;
    leftColControls: {
        label: string;
        formControl: string;
        type: string;
        readonly: boolean;
        hint: string;
    }[];
    filteredUnitPrice: Observable<string[]>;
    filteredSST: Observable<TaxCodeContainerModel[]>;
    filteredWHT: Observable<TaxCodeContainerModel[]>;
    taxList: TaxCodeContainerModel[];
    whtList: TaxCodeContainerModel[];
    constructor();
    ngOnInit(): void;
    onCalculateFromUnitDisc(): void;
    onCalculateFromAmountDisc(): void;
    onCalculateFromAmountNet(): void;
    onCalculateFromAmountTxn(): void;
    onCalculate(): void;
    recalculate(): void;
    nullHandler(x: string, value: string): void;
    onParseDelay(x: FormControl, e: string): void;
    onSST(e: string): void;
    onWHT(e: string): void;
    ngOnDestroy(): void;
}