/**
 * Workaround: Node 21+ defines `globalThis.navigator`, which breaks VS Code
 * extensions that use its absence to detect a Node.js environment.
 * Unless explicitly opted in via `THEIA_SUPPORT_NODE_GLOBAL_NAVIGATOR=true`,
 * override it with a getter that returns `undefined` to match VS Code behavior.
 * See https://github.com/eclipse-theia/theia/issues/16233
 *
 * @param env the environment variables to read the opt-in flag from
 * @param target the object on which to override the `navigator` property (defaults to `globalThis`)
 */
export declare function suppressNodeNavigator(env?: Record<string, string | undefined>, target?: typeof globalThis): void;
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