2 files changed, 4 insertions, 3 deletions
diff --git a/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java b/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
index 2b48ca7..72bbfbc 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/SparkPlugin.java
@@ -24,7 +24,7 @@ import me.lucko.spark.common.sampler.ThreadDumper;
 import me.lucko.spark.common.sampler.TickCounter;
 
 import java.nio.file.Path;
-import java.util.Set;
+import java.util.stream.Stream;
 
 public interface SparkPlugin {
 
@@ -34,7 +34,7 @@ public interface SparkPlugin {
 
     String getLabel();
 
-    Set<? extends CommandSender> getSendersWithPermission(String permission);
+    Stream<? extends CommandSender> getSendersWithPermission(String permission);
 
     void runAsync(Runnable r);
 
diff --git a/spark-common/src/main/java/me/lucko/spark/common/command/CommandResponseHandler.java b/spark-common/src/main/java/me/lucko/spark/common/command/CommandResponseHandler.java
index 88a597d..6f02180 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/command/CommandResponseHandler.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/command/CommandResponseHandler.java
@@ -29,6 +29,7 @@ import net.kyori.text.format.TextDecoration;
 
 import java.util.Set;
 import java.util.function.Consumer;
+import java.util.stream.Collectors;
 
 public class CommandResponseHandler {
 
@@ -53,7 +54,7 @@ public class CommandResponseHandler {
     }
 
     public void allSenders(Consumer<? super CommandSender> action) {
-        Set<CommandSender> senders = this.platform.getPlugin().getSendersWithPermission("spark");
+        Set<CommandSender> senders = this.platform.getPlugin().getSendersWithPermission("spark").collect(Collectors.toSet());
         senders.add(this.sender);
         senders.forEach(action);
     }