What is the method for distributing the number of Firestore listeners across multiple apps on Firebase?

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The method for distributing the number of Firestore listeners across multiple apps on Firebase is to use multiple Firebase projects. Each Firebase project can have its own set of listeners, allowing for better organization and distribution of resources. By using multiple Firebase projects, developers can also set limits on the number of listeners per project to avoid overloading the system. Additionally, developers can use Cloud Functions or Cloud Run to distribute workload and processing across multiple instances, further reducing the strain on any single Firebase project.