import * as _angular_core from '@angular/core';

type WrRotatingTextSplit = 'characters' | 'words' | 'lines';
type WrRotatingTextStaggerFrom = 'first' | 'last' | 'center';

interface Word {
    readonly characters: readonly string[];
    readonly needsSpace: boolean;
}
/**
 * Cycles through a list of strings, animating each transition
 * character-by-character (or word/line). Auto-advances on a timer by
 * default; can also be controlled imperatively via `next()` /
 * `previous()` / `jumpTo()` / `reset()`.
 *
 * @example
 * ```html
 * <wr-rotating-text [texts]="['design', 'ship', 'iterate']" />
 *
 * // Manual control:
 * @ViewChild(WrRotatingText) rotator!: WrRotatingText;
 * onClick(): void { this.rotator.next(); }
 * ```
 *
 * @see https://www.reactbits.dev/text-animations/rotating-text
 */
declare class WrRotatingText {
    /** Strings to cycle. Required. */
    readonly texts: _angular_core.InputSignal<readonly string[]>;
    /** Auto-advance interval in ms. @default 2000 */
    readonly rotationInterval: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Granularity of the split. @default 'characters' */
    readonly splitBy: _angular_core.InputSignal<WrRotatingTextSplit>;
    /** Auto-advance on a timer. @default true */
    readonly auto: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Loop back to the first string after the last. @default true */
    readonly loop: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Per-swap tween duration in seconds. @default 0.6 */
    readonly duration: _angular_core.InputSignalWithTransform<number, unknown>;
    /** CSS easing of the per-piece tween. @default 'cubic-bezier(0.16, 1, 0.3, 1)' (~power3.out) */
    readonly easing: _angular_core.InputSignal<string>;
    /** Per-piece stagger in seconds. @default 0 */
    readonly staggerDuration: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Stagger origin. @default 'first' */
    readonly staggerFrom: _angular_core.InputSignal<WrRotatingTextStaggerFrom>;
    /** Emitted with the new index on every rotation. */
    readonly nextChange: _angular_core.OutputEmitterRef<number>;
    protected readonly index: _angular_core.WritableSignal<number>;
    protected readonly current: _angular_core.Signal<string>;
    protected readonly words: _angular_core.Signal<readonly Word[]>;
    private readonly host;
    private readonly injector;
    private readonly destroyRef;
    private readonly isBrowser;
    private readonly platform;
    private timerId;
    private isAnimating;
    constructor();
    next(): void;
    previous(): void;
    jumpTo(target: number): void;
    reset(): void;
    private restartTimer;
    private transitionTo;
    private animateIn;
    private animateOut;
    private delayFor;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<WrRotatingText, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<WrRotatingText, "wr-rotating-text", never, { "texts": { "alias": "texts"; "required": true; "isSignal": true; }; "rotationInterval": { "alias": "rotationInterval"; "required": false; "isSignal": true; }; "splitBy": { "alias": "splitBy"; "required": false; "isSignal": true; }; "auto": { "alias": "auto"; "required": false; "isSignal": true; }; "loop": { "alias": "loop"; "required": false; "isSignal": true; }; "duration": { "alias": "duration"; "required": false; "isSignal": true; }; "easing": { "alias": "easing"; "required": false; "isSignal": true; }; "staggerDuration": { "alias": "staggerDuration"; "required": false; "isSignal": true; }; "staggerFrom": { "alias": "staggerFrom"; "required": false; "isSignal": true; }; }, { "nextChange": "nextChange"; }, never, never, true, never>;
}

export { WrRotatingText };
export type { WrRotatingTextSplit, WrRotatingTextStaggerFrom };