import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class VersionHistoryCompareComponent implements OnChanges {
    compareResult: any;
    versions: any[];
    compareFromId: number | null;
    compareToId: number | null;
    formatValueHtmlFn: (value: any, field?: string) => string;
    getFieldLabelFn: (field: string) => string;
    swapVersions: EventEmitter<void>;
    closeComparison: EventEmitter<void>;
    compareFromChange: EventEmitter<number>;
    compareToChange: EventEmitter<number>;
    groupedStepChanges: Array<{
        stepId: number | null;
        label: string;
        changes: any[];
    }>;
    ngOnChanges(changes: SimpleChanges): void;
    private buildGroupedStepChanges;
    static ɵfac: i0.ɵɵFactoryDeclaration<VersionHistoryCompareComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VersionHistoryCompareComponent, "cqa-version-history-compare", never, { "compareResult": "compareResult"; "versions": "versions"; "compareFromId": "compareFromId"; "compareToId": "compareToId"; "formatValueHtmlFn": "formatValueHtmlFn"; "getFieldLabelFn": "getFieldLabelFn"; }, { "swapVersions": "swapVersions"; "closeComparison": "closeComparison"; "compareFromChange": "compareFromChange"; "compareToChange": "compareToChange"; }, never, never>;
}