import { SsgoiPathTransition } from '../../types/index.ts';
/**
 * Public `variant` value for `axis({ type: "x" })`.
 *
 * - `"default"` — relaxed, fluid feel (Flutter SharedAxisTransition style).
 * - `"snappy"` — tight, decisive page swap (KakaoTalk style).
 */
export type AxisXVariant = "default" | "snappy";
/**
 * Public `variant` value for `axis({ type: "y" })`.
 *
 * - `"default"` — directional fade-through. Forward = bottom→top.
 * - `"non-directional"` — direction-agnostic. Incoming always rises from
 *   below; outgoing fades in place.
 */
export type AxisYVariant = "default" | "non-directional";
/**
 * Legacy `feel` axis. Kept for source compatibility only.
 *
 * @deprecated Do not use in new code. v6 only supports `{ type, variant, options }`.
 * Migrate `feel: "fluid"` → omit `variant` (default tone),
 * `feel: "snappy"` → `variant: "snappy"`.
 * Example: `axis({ paths, type: "x", variant: "snappy" })`.
 * Kept here only for backward compatibility — will be removed in a future major.
 */
export type AxisFeelDeprecated = "snappy" | "fluid";
export type AxisConfig = {
    paths: readonly string[];
} & ({
    type?: "x";
    variant?: AxisXVariant;
    options?: Record<string, never>;
    /**
     * @deprecated Do not use in new code. v6 only supports `{ type, variant, options }`.
     * Migrate `feel: "fluid"` → omit `variant` (default tone),
     * `feel: "snappy"` → `variant: "snappy"`.
     * Example: `axis({ paths, type: "x", variant: "snappy" })`.
     * Kept here only for backward compatibility — will be removed in a future major.
     */
    feel?: AxisFeelDeprecated;
} | {
    type: "y";
    variant?: AxisYVariant;
    options?: Record<string, never>;
} | {
    type: "z";
    variant?: "default";
    options?: Record<string, never>;
});
export declare function axis(config: AxisConfig): SsgoiPathTransition[];
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