import { ElementRef, OnDestroy, Renderer2 } from '@angular/core';
import { ApiErrorMessage, ErrorRecord, TaurusObject } from '../../../common';
import * as i0 from "@angular/core";
export declare class PlaceholderService extends TaurusObject implements OnDestroy {
    private readonly renderer2;
    /**
     * @inheritDoc
     */
    static readonly CLASS_NAME: string;
    /**
     * @inheritDoc
     */
    static readonly PUBLIC_NAME: string;
    private _lookupInProgress;
    private _isGridParentFound;
    private _finderLookupTimeoutRef;
    private _headElement;
    private _gridStyleElement;
    private _standalonePlaceholderStyleElement;
    private readonly _gridRandomAttribute;
    private readonly _standalonePlaceholderRandomAttribute;
    private _elementRef;
    private _hideDefaultEmptyStateImageInGrid;
    /**
     * ** Constructor.
     */
    constructor(renderer2: Renderer2);
    /**
     * ** Extract public name of classes from multiple error records.
     */
    static extractClassesPublicNames(errorRecords: ErrorRecord[]): string;
    /**
     * ** Extract class public name from provided error record.
     */
    static extractClassPublicName(errorRecord: ErrorRecord): string;
    /**
     * ** Refines elements state and their corresponding styles.
     */
    refineElementsState(elementRef: ElementRef<HTMLElement>, hideDefaultEmptyStateImageInGrid: boolean): void;
    /**
     * ** Get API formatted error message from provided Error.
     */
    extractErrorInformation(error: Error): ApiErrorMessage;
    /**
     * @inheritDoc
     */
    ngOnDestroy(): void;
    private _findPlaceholderParentGrid;
    private _traverseToFindParentGrid;
    private _findHeadElement;
    private _appendGridPlaceholderStyle;
    private _appendStandalonePlaceholderStyle;
    private _addGridDataAttribute;
    private _addStandalonePlaceholderDataAttribute;
    private _toggleGridPlaceholderStyle;
    private _toggleStandalonePlaceholderStyle;
    private _removeGridPlaceholderStyle;
    private _removeStandalonePlaceholderStyle;
    static ɵfac: i0.ɵɵFactoryDeclaration<PlaceholderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PlaceholderService>;
}