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

interface WrTypewriterVariableSpeed {
    readonly min: number;
    readonly max: number;
}

/**
 * Classic typewriter — types out a string char-by-char, optionally
 * deletes it, then types the next string. Cycles through `[texts]` (or
 * a single string) with a blinking cursor.
 *
 * @example
 * ```html
 * <wr-typewriter [texts]="['design.', 'ship.', 'iterate.']" />
 * <wr-typewriter
 *   text="Hello, ngwr."
 *   [loop]="false"
 *   [typingSpeed]="35"
 *   cursorCharacter="▎"
 * />
 * ```
 *
 * @see https://www.reactbits.dev/text-animations/text-type
 */
declare class WrTypewriter {
    /** Single string. Use either `text` or `texts`. */
    readonly text: _angular_core.InputSignal<string | undefined>;
    /** Strings to cycle. Use either `text` or `texts`. */
    readonly texts: _angular_core.InputSignal<readonly string[] | undefined>;
    /** Per-char typing speed in ms. @default 50 */
    readonly typingSpeed: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Initial delay before typing starts, in ms. @default 0 */
    readonly initialDelay: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Pause between sentences (after typing complete, before deleting), in ms. @default 2000 */
    readonly pauseDuration: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Per-char deletion speed in ms. @default 30 */
    readonly deletingSpeed: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Loop back to the first string after the last. @default true */
    readonly loop: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Show the cursor. @default true */
    readonly showCursor: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Hide the cursor while typing / deleting. @default false */
    readonly hideCursorWhileTyping: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Cursor glyph. @default '|' */
    readonly cursorCharacter: _angular_core.InputSignal<string>;
    /** Cursor blink half-cycle in seconds. @default 0.5 */
    readonly cursorBlinkDuration: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Cycle through these colours per string. */
    readonly textColors: _angular_core.InputSignal<readonly string[]>;
    /** Randomise typing speed per char between `min` and `max`. */
    readonly variableSpeed: _angular_core.InputSignal<WrTypewriterVariableSpeed | undefined>;
    /** Reverse the string (type it backwards). @default false */
    readonly reverseMode: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Start typing only after the host enters the viewport. @default false */
    readonly startOnVisible: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Emits with `(text, index)` when a string finishes typing. */
    readonly sentenceComplete: _angular_core.OutputEmitterRef<{
        text: string;
        index: number;
    }>;
    protected readonly displayed: _angular_core.WritableSignal<string>;
    protected readonly cursorVisible: _angular_core.Signal<boolean>;
    protected readonly activeColor: _angular_core.Signal<string>;
    /** Resolved list of strings (either `texts` or wrap `text` in an array). */
    private readonly textArray;
    private readonly currentTextIndex;
    private readonly phase;
    private readonly host;
    private readonly destroyRef;
    private readonly isBrowser;
    private readonly platform;
    private timer;
    private isVisible;
    constructor();
    private boot;
    private scheduleNext;
    private tick;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<WrTypewriter, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<WrTypewriter, "wr-typewriter", never, { "text": { "alias": "text"; "required": false; "isSignal": true; }; "texts": { "alias": "texts"; "required": false; "isSignal": true; }; "typingSpeed": { "alias": "typingSpeed"; "required": false; "isSignal": true; }; "initialDelay": { "alias": "initialDelay"; "required": false; "isSignal": true; }; "pauseDuration": { "alias": "pauseDuration"; "required": false; "isSignal": true; }; "deletingSpeed": { "alias": "deletingSpeed"; "required": false; "isSignal": true; }; "loop": { "alias": "loop"; "required": false; "isSignal": true; }; "showCursor": { "alias": "showCursor"; "required": false; "isSignal": true; }; "hideCursorWhileTyping": { "alias": "hideCursorWhileTyping"; "required": false; "isSignal": true; }; "cursorCharacter": { "alias": "cursorCharacter"; "required": false; "isSignal": true; }; "cursorBlinkDuration": { "alias": "cursorBlinkDuration"; "required": false; "isSignal": true; }; "textColors": { "alias": "textColors"; "required": false; "isSignal": true; }; "variableSpeed": { "alias": "variableSpeed"; "required": false; "isSignal": true; }; "reverseMode": { "alias": "reverseMode"; "required": false; "isSignal": true; }; "startOnVisible": { "alias": "startOnVisible"; "required": false; "isSignal": true; }; }, { "sentenceComplete": "sentenceComplete"; }, never, never, true, never>;
}

export { WrTypewriter };
export type { WrTypewriterVariableSpeed };