/**
 * Glitch-only text scramble effect for terminal TUI.
 *
 * Line behavior:
 *   aim: — content stays still, no animation ever
 *   act: — glitch on text change
 *   msg: — glitch on text change
 *   tps: — flash on value change
 */
export interface AnimationConfig {
    enabled: boolean;
    glitch: boolean;
}
export declare function setLiveText(key: string, text: string): void;
export declare function getLiveText(key: string): string | undefined;
export declare function clearLiveText(key: string): void;
export declare class FastRNG {
    private s;
    constructor(seed: number);
    next(): number;
    nextInt(max: number): number;
}
export declare const DEEP_GLITCH = "\u2715\u25CB\u2610+\u2715\u25C7\u2801\u2802\u2803\u2804\u2805\u2806\u2807\u2808\u2809\u280A\u280B\u280C\u280D\u280E\u280F\u00B7\u2811\u2812\u2813";
/** Mid glitch: dots, light sparkles, medium braille for depth (3) */
export declare const MID_GLITCH = "\u2715\u25CB\u2610+\u2715\u25C7\u2801\u2802\u2803\u2804\u2805\u2806\u2807\u2808\u2809\u280A\u280B";
/** Shallow glitch: heavy sparkles + light braille for outer depths (4+) — the wavefront crest */
export declare const SHALLOW_GLITCH = "\u2715\u25CB\u2610+\u2715\u25C7\u280C\u2821\u281C";
/** Classic scramble set for fallback — balanced braille + sparkle mix */
export declare const SCRAMBLE_CHARS = "\u2715\u25CB\u2610+\u2715\u25C7\u280C\u2821\u281C\u2823\u282A\u2839\u2838\u2837\u282E";
/** Backward-compat alias */
export declare const THIN_BRAILLE_SPARK = "\u25B3\u25CB\u2610\u2802\u2804\u2808\u00B7\u2820\u2840\u2219\u2803\u2806\u2809\u2818\u2830\u2841\u2882";
export declare const DECORATIVE_ICON_RE: RegExp;
export declare const DIM_ON = "\u001B[2m";
export declare const DIM_OFF = "\u001B[22m";
export declare const MIN_GLITCH_INTERVAL = 300;
export declare const GLITCH_RERANDOMIZE = 0.12;
export declare const GLITCH_FRAME_MS = 11;
export declare const GLITCH_MAX_START = 40;
export declare const GLITCH_MAX_LENGTH = 40;
export declare const GLITCH_SHORT_MAX_START = 10;
export declare const GLITCH_SHORT_MAX_LENGTH = 10;
export declare const GLITCH_OVERLAP_MAX_START = 10;
export declare const GLITCH_OVERLAP_MAX_LENGTH = 10;
export declare const GLITCH_FADE_OUT_FRAMES = 18;
export declare const GLITCH_SHRINK_FADE_OUT_FRAMES = 8;
export declare const GLITCH_COOLDOWN_MS = 2000;
export declare const MSG_GLITCH_MIN_FRAMES: number;
export declare const TPS_HYSTERESIS_PCT = 0.15;
export declare const TPS_HYSTERESIS_MS = 2000;
export declare const TPS_FLASH_COOLDOWN_MS = 3000;
export interface GlitchQueueItem {
    from: string;
    to: string;
    start: number;
    end: number;
    fadeOutEnd?: number;
    settleEnd?: number;
    char: string | null;
}
export interface LineState {
    lastText: string;
    displayedText: string;
    targetText: string;
    startTime: number;
    lastAnimTime: number;
    initialized: boolean;
    completed: boolean;
    lastAccessTime: number;
    glitchQueue: GlitchQueueItem[];
    glitchFrame: number;
    lastGlitchTime: number;
    pendingGlitch: GlitchQueueItem[] | null;
    pendingOldDisplayed: string;
    pendingNewDisplayed: string;
    pendingStartTime: number;
}
export type LineKey = 'aim' | 'act' | 'msg';
export interface ScrambleResult {
    label: string;
    content: string;
    isAnimating: boolean;
}
export interface ValueFlashState {
    prev: string;
    startTime: number;
    lastValueChangeTime: number;
    lastFlashTime: number;
    completed: boolean;
    glitchQueue: GlitchQueueItem[];
    glitchFrame: number;
    lastGlitchTime: number;
}
export declare const RANDOM_POOL_SIZE = 2048;
export declare const POOL_REFILL_THRESHOLD = 512;
export declare function poolRandomChar(): string;
export declare const MAX_FLOW_ENTRIES = 128;
export declare const MAX_CACHE_AGE_MS: number;
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