Update based on feedback

hearth/lib/hearth/request.rb

@@ -18,5 +18,11 @@ def initialize(uri: URI(''), body: StringIO.new)
 
     # @return [IO, StringIO]
     attr_accessor :body
+
+    # Contains attributes for Telemetry span to emit.
+    # @return [Hash]
+    def span_attributes
+      {}
+    end
   end
 end

hearth/lib/hearth/response.rb

@@ -32,5 +32,11 @@ def reset
       @body.rewind if @body.respond_to?(:rewind) && !@body.instance_of?(IO)
       self
     end
+
+    # Contains attributes for Telemetry span to emit.
+    # @return [Hash]
+    def span_attributes
+      {}
+    end
   end
 end

hearth/sig/lib/hearth/http/request.rbs

@@ -20,6 +20,8 @@ module Hearth
       def remove_query_param: (String name) -> void
 
       def prefix_host: (String prefix) -> void
+
+      def span_attributes: () -> Hash[String,String]
     end
   end
 end

hearth/sig/lib/hearth/http/response.rbs

@@ -16,6 +16,8 @@ module Hearth
       def replace: (Response other) -> self
 
       def reset: () -> void
+
+      def span_attributes: () -> Hash[String,String]
     end
   end
 end

hearth/sig/lib/hearth/request.rbs

@@ -5,5 +5,7 @@ module Hearth
     attr_accessor uri: URI
 
     attr_accessor body: (IO | StringIO)
+
+    def span_attributes: () -> Hash[String, String]
   end
 end

hearth/spec/hearth/request_spec.rb

@@ -9,5 +9,12 @@ module Hearth
         expect(request.uri).to be_a(URI)
       end
     end
+
+    describe '#span_attributes' do
+      it 'returns empty hash' do
+        request = Request.new
+        expect(request.span_attributes).to be_empty
+      end
+    end
   end
 end

hearth/spec/hearth/response_spec.rb

@@ -45,5 +45,12 @@ module Hearth
         read.close
       end
     end
+
+    describe '#span_attributes' do
+      it 'returns empty hash' do
+        response = Response.new
+        expect(response.span_attributes).to be_empty
+      end
+    end
   end
 end