Fix rbs

Author: Matt Muller

gems/smithy-client/sig/smithy-client/output.rbs

@@ -2,10 +2,10 @@ module Smithy
   module Client
     # RBS does not support Delegator.
     # the behavior mimics `Smithy::Client::Output` as much as possible.
-    interface _Output[DATA, StandardError]
+    interface _Output[DATA_OR_ERROR]
       def context: () -> HandlerContext?
-      def data: () -> DATA?
-      def error: () -> StandardError?
+      def data: () -> DATA_OR_ERROR?
+      def error: () -> DATA_OR_ERROR?
     end
   end
 end

gems/smithy-schema/lib/smithy-schema/shapes.rb

@@ -18,12 +18,12 @@ def initialize(options = {})
         # @return [Hash<String, Object>]
         attr_accessor :traits
 
-        # @return [Hash<Object, Object>]
+        # @return [Object]
         def [](key)
           @metadata[key]
         end
 
-        # @param [Object] key
+        # @param [Symbol] key
         # @param [Object] value
         def []=(key, value)
           @metadata[key] = value

gems/smithy-schema/sig/smithy-schema/shapes.rbs

@@ -6,8 +6,8 @@ module Smithy
 
         attr_accessor id: String?
         attr_accessor traits: Hash[String, untyped]
-        def []: (untyped) -> untyped
-        def []=: (untyped, untyped) -> void
+        def []: (Symbol) -> Object
+        def []=: (Symbol, Object) -> void
       end
 
       class Structure < Shape