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node_modules/@fluentui/utilities/lib-amd/GlobalSettings.d.ts

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+/**
+ * Change description used for change callbacks in GlobalSettings.
+ *
+ * @public
+ * {@docCategory IChangeDescription}
+ */
+export interface IChangeDescription {
+    key: string;
+    oldValue: any;
+    value: any;
+}
+/**
+ * Change event callback.
+ *
+ * @public
+ * {@docCategory IChangeEventCallback}
+ */
+export interface IChangeEventCallback {
+    __id__?: string;
+    (changeDescription?: IChangeDescription): void;
+}
+/**
+ * Global settings helper, which stores settings in the global (window) namespace.
+ * If window is not provided, it will store settings in module scope. Provides a
+ * way to observe changes as well when their values change.
+ *
+ * @public
+ * {@docCategory GlobalSettings}
+ */
+export declare class GlobalSettings {
+    static getValue<T>(key: string, defaultValue?: T | (() => T)): T;
+    static setValue<T>(key: string, value: T): T;
+    static addChangeListener(cb: IChangeEventCallback): void;
+    static removeChangeListener(cb: IChangeEventCallback): void;
+}