import { ChangeDetectorRef, ElementRef, EventEmitter } from '@angular/core';
export declare class NzOptionSelectionChange {
    source: NzAutocompleteOptionComponent;
    isUserInput: boolean;
    constructor(source: NzAutocompleteOptionComponent, isUserInput?: boolean);
}
export declare class NzAutocompleteOptionComponent {
    private changeDetectorRef;
    private element;
    nzValue: any;
    nzLabel: string;
    nzDisabled: boolean;
    readonly selectionChange: EventEmitter<NzOptionSelectionChange>;
    active: boolean;
    selected: boolean;
    constructor(changeDetectorRef: ChangeDetectorRef, element: ElementRef);
    select(): void;
    deselect(): void;
    /** Git display label */
    getLabel(): string;
    /** Set active (only styles) */
    setActiveStyles(): void;
    /** Unset active (only styles) */
    setInactiveStyles(): void;
    scrollIntoViewIfNeeded(): void;
    selectViaInteraction(): void;
    private emitSelectionChangeEvent;
}