import { OnChanges, SimpleChanges } from '@angular/core';
import { EmojiUtils } from '@wizdm/emoji/utils';
import { EmojiMode } from '@wizdm/emoji/utils';
export interface emSegment {
    type: 'text' | 'emoji';
    content: string;
}
export declare class EmojiText implements OnChanges {
    readonly utils: EmojiUtils;
    protected _value: string;
    readonly segments: emSegment[];
    constructor(utils: EmojiUtils);
    /** Plain text source input */
    set value(value: string);
    get value(): string;
    /** Mode flag:
     * 'web' renders emoji as images
     * 'native' renders the text as it is relying on the OS native support
     * 'auto' detects the availability of native support and chooses accordingly
     */
    mode: EmojiMode;
    /** Behavior flag either returning 'web' or 'native' depending on the current behavior */
    get behavior(): Exclude<EmojiMode, 'auto'>;
    ngOnChanges(changes: SimpleChanges): void;
    trackByFn(index: number, item: emSegment): string;
    /** Compiles the source text into an array of eather text or emoji segments */
    protected compile(source: string): number;
}