import { ElementRef } from '@angular/core';
import { PoTreeViewItem } from '../po-tree-view-item/po-tree-view-item.interface';
export declare class PoTreeViewItemContentComponent {
    private readonly keyboardService;
    private readonly languageService;
    protected readonly literals: any;
    protected inputCheckbox: any;
    protected lineElement: ElementRef<HTMLElement>;
    readonly componentsSize: import("@angular/core").InputSignal<string>;
    readonly item: import("@angular/core").InputSignal<PoTreeViewItem>;
    readonly level: import("@angular/core").InputSignal<number>;
    readonly selectable: import("@angular/core").InputSignal<boolean>;
    readonly selectedValue: import("@angular/core").InputSignal<string | number>;
    readonly singleSelect: import("@angular/core").InputSignal<boolean>;
    readonly expanded: import("@angular/core").OutputEmitterRef<void>;
    readonly selected: import("@angular/core").OutputEmitterRef<PoTreeViewItem>;
    readonly activated: import("@angular/core").OutputEmitterRef<PoTreeViewItem>;
    protected idRadio: string;
    protected isLabelTruncated: boolean;
    protected get hasSubItems(): boolean;
    protected get expandIcon(): string;
    protected get isDisabled(): boolean;
    protected get isExpanded(): boolean;
    protected get isSelected(): boolean;
    protected get itemIcon(): string | undefined;
    protected onLineFocus(event: FocusEvent): void;
    protected onLineMouseEnter(event: MouseEvent): void;
    private updateLabelTruncation;
    protected onLineClick(event: MouseEvent): void;
    protected onKeydown(event: KeyboardEvent): void;
    private handleArrowRight;
    private handleArrowLeft;
    private handleSelect;
    private applyPressedState;
    private handleCharacterNavigation;
}