如何在Android Kotlin中将对文档的数据库调用(firestore)替换为字符串？

val firebaseApp = FirebaseApp.initializeApp(context)
val firestore = FirebaseFirestore.getInstance(firebaseApp)

val collectionPath = "your_collection_path"
val documentPath = "your_document_path"

firestore.collection(collectionPath).document(documentPath).get()
    .addOnSuccessListener { documentSnapshot ->
        if (documentSnapshot.exists()) {
            val data = documentSnapshot.data
            // 处理数据
        } else {
            // 文档不存在
        }
    }
    .addOnFailureListener { exception ->
        // 处理错误
    }

val collectionPath = "your_collection_path"
val documentPath = "your_document_path"

firestore.collection(collectionPath).document(documentPath).get()
    .addOnSuccessListener { documentSnapshot ->
        if (documentSnapshot.exists()) {
            val message = documentSnapshot.getString("message")
            // 使用字符串进行处理
        } else {
            // 文档不存在
        }
    }
    .addOnFailureListener { exception ->
        // 处理错误
    }