PR feedback

Author: suntrix

firebase-firestore/src/androidMain/kotlin/dev/gitlive/firebase/firestore/firestore.kt

@@ -413,7 +413,7 @@ actual class DocumentSnapshot(val android: com.google.firebase.firestore.Documen
 
     actual fun <T> data(strategy: DeserializationStrategy<T>) = decode(strategy, android.data)
 
-    actual fun dataMap(): Map<String, Any?> = android.data ?: mapOf()
+    actual fun dataMap(): Map<String, Any?> = android.data ?: emptyMap()
 
     actual inline fun <reified T> get(field: String) = decode<T>(value = android.get(field))
 

firebase-firestore/src/iosMain/kotlin/dev/gitlive/firebase/firestore/firestore.kt

@@ -381,7 +381,7 @@ actual class DocumentSnapshot(val ios: FIRDocumentSnapshot) {
 
     actual fun <T> data(strategy: DeserializationStrategy<T>) = decode(strategy, ios.data())
 
-    actual fun dataMap(): Map<String, Any?> = ios.data()?.map { it.key.toString() to it.value }?.toMap() ?: mapOf()
+    actual fun dataMap(): Map<String, Any?> = ios.data()?.map { it.key.toString() to it.value }?.toMap() ?: emptyMap()
 
     actual inline fun <reified T> get(field: String) = decode<T>(value = ios.valueForField(field))