import type { Writable } from 'svelte/store';
/**
 * Provide a writable store for the current variant key so children can
 * react to changes over time (true inheritance like Framer Motion).
 *
 * @param store Writable store holding the current variant name.
 */
export declare const setVariantContext: (store: Writable<string | undefined>) => void;
/**
 * Read the parent's variant store (if any). Children subscribe to this store
 * to inherit and react to parent `animate` changes.
 *
 * @returns The parent variant store, or `undefined` if none exists.
 */
export declare const getVariantContext: () => Writable<string | undefined> | undefined;
/**
 * Set initial={false} in context so children inherit it.
 *
 * @param value Whether the parent has `initial={false}`.
 */
export declare const setInitialFalseContext: (value: boolean) => void;
/**
 * Check if parent has initial={false}.
 *
 * @returns `true` if a parent set `initial={false}`, otherwise `false`.
 */
export declare const getInitialFalseContext: () => boolean;
/**
 * Provide a writable store carrying the current motion component's
 * `custom` value so descendant motion components without their own
 * `custom` prop can inherit it — and re-resolve their variants when the
 * parent's `custom` changes.
 *
 * Mirrors framer-motion's variant-tree custom propagation. A store
 * (rather than a snapshot) lets descendants react to changes the parent
 * makes after mount.
 *
 * @param store Writable store holding the current component's effective `custom`.
 */
export declare const setCustomContext: (store: Writable<unknown>) => void;
/**
 * Read the nearest ancestor's `custom` store (if any).
 *
 * @returns The ancestor's writable store, or `undefined` when no motion
 *     ancestor has set one.
 */
export declare const getCustomContext: () => Writable<unknown> | undefined;