export type MotionPreference = 'full' | 'calm' | 'none';
export type DurationName = 'instant' | 'micro' | 'small' | 'medium' | 'large';
export type EaseName = 'standard' | 'emphasized' | 'emphasized-decelerate' | 'accelerate';
export type SpringName = 'snappy' | 'smooth' | 'fluid';
export type MotionTokenName = `duration-${DurationName}` | `spring-${SpringName}`;
export declare const DURATIONS_MS: Record<DurationName, {
    enter: number;
    exit: number;
}>;
export declare const AMBIENT_DURATION_MS = 40000;
export declare const EASES: Record<EaseName, readonly [number, number, number, number]>;
export declare const SPRINGS: Record<SpringName, {
    zeta: number;
    responseMs: number;
}>;
export declare const MOTION_CSS_VARS: readonly string[];
/** Properties components may animate (lint auraglass/motion-*): */
export declare const ANIMATABLE: readonly ["transform", "opacity", "translate", "scale", "--ag-specular", "--_ag-optics", "--_ag-press", "--_ag-refraction-scale"];
/** S-13 runtime, implemented by MAT at src/motion/index.ts (internal entry, not a public subpath). */
export type FrameCallback = (dtMs: number, nowMs: number) => void;
export interface MotionRuntime {
    subscribeFrame(cb: FrameCallback, opts?: {
        element?: Element;
    }): () => void;
    observeOffscreen(el: Element): () => void;
    startMorph(update: () => void | Promise<void>, opts?: {
        surfaces?: Element[];
    }): Promise<void>;
}
export interface DragBindings {
    onPointerDown: (e: PointerEvent) => void;
    style?: Record<string, string>;
}
export interface MotionCapability {
    dragDetents?(opts: {
        detents: number[];
        axis: 'x' | 'y';
        onSettle(i: number): void;
    }): DragBindings;
    momentum?(opts: {
        axis: 'x' | 'y';
        bounds: [number, number];
    }): DragBindings;
}
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