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node_modules/svelte-toolbelt/dist/utils/use-on-change.svelte.d.ts

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+import type { Getter } from "../types.js";
+/**
+ * Simple helper function to sync a read-only dependency with writable state. This only syncs
+ * in one direction, from the dependency to the state. If you need to sync both directions, you
+ * should use the `box.with(() => dep, (v) => (dep = v))` pattern.
+ *
+ * @param getDep - A getter that returns the value that may change and whose new value will be
+ * passed to the `onChange` function passed as the second argument.
+ * @param onChange - A function that accepts a new value to react to or keep other state in sync
+ * with the dependency.
+ */
+export declare function useOnChange<T>(getDep: Getter<T>, onChange: (value: T) => void): void;