import { Observable } from "rxjs";
import { TagAnnotation } from "../data/tag-annotation.data.model";
export declare class TagElement {
    /**
     * Subscribe to tags on the current document.
     * 
     * Returns Observable<TagAnnotation[] | null>.
     */
    getAllTagAnnotations: (documentId?: string, documentParams?: object) => Observable<TagAnnotation[] | null>;

    /**
     * To delete selected tags
     */
    deleteTag: () => void;

    /**
     * To allow text selection in specific elements only
     * @param elementIds Element ids to be allowed
     */
    allowedElementIds: (elementIds: string[]) => void;

    /**
     * To add tags on specific elements
     * 
     * @param elementId ID of html element
     */
    attachTag: (elementId: string) => void;

    /**
     * Subscribe to add tag mode change.
     * 
     * Returns Observable<boolean>.
     */
    addTagModeChange: () => Observable<boolean>;
    constructor();
    /**
     * Subscribe to tags on the current document.
     * 
     * Returns Observable<TagAnnotation[] | null>.
     */
    private _getAllTagAnnotations;

    /**
     * To delete selected tags
     */
    private _deleteTag;

    /**
     * To allow text selection in specific elements only
     * @param elementIds Element ids to be allowed
     */
    private _allowedElementIds;

    /**
     * To add tags on specific elements
     * 
     * @param elementId ID of html element
     */
    private _attachTag;

    /**
     * Subscribe to add tag mode change.
     * 
     * Returns Observable<boolean>.
     */
    private _addTagModeChange;
}