/**
 * Native-CSS motion compiler — emits `@property`, `@keyframes`, `@starting-style`,
 * state-keyed transitions, and an `@supports`-gated `animation-timeline` path.
 *
 * Consumes a `CssMotionPlan` from `interpretTransition` (#130 child 4).
 *
 * @module
 */
import { type CssMotionPlan } from '@czap/core';
/** Spring physics config — mirrors `Easing.spring` input. */
export interface MotionSpringConfig {
    readonly stiffness?: number;
    readonly damping?: number;
    readonly mass?: number;
}
/** Easing mode for emitted CSS timing functions. */
export type MotionEasing = 'linear' | 'ease' | 'spring';
/** Optional scroll/view timeline range for the `@supports`-gated path. */
export interface MotionViewTimeline {
    readonly range: readonly [string, string];
}
/** Standalone scroll-root timeline for `animation-timeline: scroll()` (#126). */
export interface MotionScrollTimeline {
    readonly axis?: 'block' | 'inline' | 'x' | 'y';
    readonly range: readonly [string, string];
}
/** Input to {@link MotionCompiler.compile}. */
export interface MotionCompileInput {
    readonly plan: CssMotionPlan;
    readonly easing?: MotionEasing;
    readonly spring?: MotionSpringConfig;
    readonly viewTimeline?: MotionViewTimeline;
    readonly scrollTimeline?: MotionScrollTimeline;
    /** Stagger offset applied as animation/transition delay (#124). */
    readonly delayMs?: number;
}
/** CSS artifacts emitted by {@link MotionCompiler.compile}. */
export interface MotionCompileResult {
    /** Full concatenated CSS sheet (sections joined by blank lines). */
    readonly raw: string;
    readonly propertyRegistrations: string;
    readonly keyframes: string;
    readonly startingStyle: string;
    readonly transition: string;
    /** `@supports (animation-timeline: …)` block; empty when no view timeline. */
    readonly scrollTimeline: string;
}
declare function compile(input: MotionCompileInput): MotionCompileResult;
/**
 * Native-CSS motion compiler namespace.
 *
 * Compiles a `CssMotionPlan` into `@property` registrations, `@keyframes`,
 * `@starting-style`, state-keyed transitions, and an optional `@supports`-gated
 * scroll/view timeline path with spring easing via `Easing.springToLinearCSS`.
 */
export declare const MotionCompiler: {
    readonly compile: typeof compile;
};
export {};
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