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

type WrCircularTextHover = 'speedUp' | 'slowDown' | 'pause' | 'goBonkers' | null;

interface Char {
    readonly ch: string;
    readonly transform: string;
}
/**
 * Text laid out around a circle, with the whole circle spinning. Hover
 * behaviour swaps the spin rate (or pauses it) — the current rotation
 * angle is preserved across the swap so there's no visible jump.
 *
 * @example
 * ```html
 * <wr-circular-text text="HELLO * NGWR * " />
 * <wr-circular-text text="GO BONKERS" onHover="goBonkers" [spinDuration]="12" />
 * ```
 *
 * @see https://www.reactbits.dev/text-animations/circular-text
 */
declare class WrCircularText {
    /** Text to lay out around the circle. */
    readonly text: _angular_core.InputSignal<string>;
    /** Seconds per full revolution at rest. @default 20 */
    readonly spinDuration: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Hover behaviour. `null` disables hover reactivity. @default 'speedUp' */
    readonly onHover: _angular_core.InputSignal<WrCircularTextHover>;
    protected readonly chars: _angular_core.Signal<readonly Char[]>;
    private readonly spinEl;
    private readonly destroyRef;
    private readonly isBrowser;
    private readonly platform;
    private rotation;
    private hovered;
    /** Active spin duration in seconds — base, or hover-modified. */
    private effectiveDuration;
    constructor();
    /**
     * Start the rotation, or swap its duration while preserving the
     * current angle. If the new mode is `pause`, just pause the animation.
     */
    private startOrSwap;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<WrCircularText, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<WrCircularText, "wr-circular-text", never, { "text": { "alias": "text"; "required": true; "isSignal": true; }; "spinDuration": { "alias": "spinDuration"; "required": false; "isSignal": true; }; "onHover": { "alias": "onHover"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

export { WrCircularText };
export type { WrCircularTextHover };