Expose information about the built-in arguments (bounds or type)

src/main/java/com/mojang/brigadier/arguments/FloatArgumentType.java

@@ -34,6 +34,14 @@ public class FloatArgumentType implements ArgumentType<Float> {
         return context.getArgument(name, Float.class);
     }
 
+    public float getMinimum() {
+        return minimum;
+    }
+
+    public float getMaximum() {
+        return maximum;
+    }
+
     @Override
     public <S> Float parse(final StringReader reader, final CommandContextBuilder<S> contextBuilder) throws CommandSyntaxException {
         final int start = reader.getCursor();

src/main/java/com/mojang/brigadier/arguments/IntegerArgumentType.java

@@ -34,6 +34,14 @@ public class IntegerArgumentType implements ArgumentType<Integer> {
         return context.getArgument(name, int.class);
     }
 
+    public int getMinimum() {
+        return minimum;
+    }
+
+    public int getMaximum() {
+        return maximum;
+    }
+
     @Override
     public <S> Integer parse(final StringReader reader, final CommandContextBuilder<S> contextBuilder) throws CommandSyntaxException {
         final int start = reader.getCursor();

src/main/java/com/mojang/brigadier/arguments/StringArgumentType.java

@@ -29,6 +29,10 @@ public class StringArgumentType implements ArgumentType<String> {
         return context.getArgument(name, String.class);
     }
 
+    public StringType getType() {
+        return type;
+    }
+
     @Override
     public <S> String parse(final StringReader reader, final CommandContextBuilder<S> contextBuilder) throws CommandSyntaxException {
         if (type == StringType.GREEDY_PHRASE) {