diff --git a/BUILD b/BUILD
index 72fc965ffff..2349019a069 100644
--- a/BUILD
+++ b/BUILD
@@ -231,6 +231,7 @@ cc_library(
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -670,6 +671,7 @@ cc_library(
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -1062,6 +1064,7 @@ cc_library(
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -1625,6 +1628,7 @@ cc_library(
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -2654,6 +2658,7 @@ objc_library(
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
diff --git a/build.yaml b/build.yaml
index d8792a9d708..51ee141f120 100644
--- a/build.yaml
+++ b/build.yaml
@@ -238,6 +238,7 @@ filegroups:
   - src/core/lib/json/json_reader.h
   - src/core/lib/json/json_writer.h
   - src/core/lib/slice/percent_encoding.h
+  - src/core/lib/slice/slice_internal.h
   - src/core/lib/slice/slice_string_helpers.h
   - src/core/lib/surface/api_trace.h
   - src/core/lib/surface/call.h
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 89e99c30b3c..cdda52f07ce 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -321,6 +321,7 @@ Pod::Spec.new do |s|
                       'src/core/lib/json/json_reader.h',
                       'src/core/lib/json/json_writer.h',
                       'src/core/lib/slice/percent_encoding.h',
+                      'src/core/lib/slice/slice_internal.h',
                       'src/core/lib/slice/slice_string_helpers.h',
                       'src/core/lib/surface/api_trace.h',
                       'src/core/lib/surface/call.h',
@@ -728,6 +729,7 @@ Pod::Spec.new do |s|
                               'src/core/lib/json/json_reader.h',
                               'src/core/lib/json/json_writer.h',
                               'src/core/lib/slice/percent_encoding.h',
+                              'src/core/lib/slice/slice_internal.h',
                               'src/core/lib/slice/slice_string_helpers.h',
                               'src/core/lib/surface/api_trace.h',
                               'src/core/lib/surface/call.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 592336840a7..a3e4cbe4b00 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -240,6 +240,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/lib/json/json_reader.h )
   s.files += %w( src/core/lib/json/json_writer.h )
   s.files += %w( src/core/lib/slice/percent_encoding.h )
+  s.files += %w( src/core/lib/slice/slice_internal.h )
   s.files += %w( src/core/lib/slice/slice_string_helpers.h )
   s.files += %w( src/core/lib/surface/api_trace.h )
   s.files += %w( src/core/lib/surface/call.h )
diff --git a/package.xml b/package.xml
index f75ea6898ed..5f28ac8a016 100644
--- a/package.xml
+++ b/package.xml
@@ -248,6 +248,7 @@
     <file baseinstalldir="/" name="src/core/lib/json/json_reader.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/json/json_writer.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/slice/percent_encoding.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/slice/slice_internal.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/slice/slice_string_helpers.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/surface/api_trace.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/surface/call.h" role="src" />
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 156228fe369..6581cba3d5f 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -863,6 +863,7 @@ src/core/lib/json/json_common.h \
 src/core/lib/json/json_reader.h \
 src/core/lib/json/json_writer.h \
 src/core/lib/slice/percent_encoding.h \
+src/core/lib/slice/slice_internal.h \
 src/core/lib/slice/slice_string_helpers.h \
 src/core/lib/surface/api_trace.h \
 src/core/lib/surface/call.h \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 8d8a3c2e797..6fedc9e68d0 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -6749,6 +6749,7 @@
       "src/core/lib/json/json_reader.h", 
       "src/core/lib/json/json_writer.h", 
       "src/core/lib/slice/percent_encoding.h", 
+      "src/core/lib/slice/slice_internal.h", 
       "src/core/lib/slice/slice_string_helpers.h", 
       "src/core/lib/surface/api_trace.h", 
       "src/core/lib/surface/call.h", 
@@ -6942,6 +6943,7 @@
       "src/core/lib/slice/percent_encoding.h", 
       "src/core/lib/slice/slice.c", 
       "src/core/lib/slice/slice_buffer.c", 
+      "src/core/lib/slice/slice_internal.h", 
       "src/core/lib/slice/slice_string_helpers.c", 
       "src/core/lib/slice/slice_string_helpers.h", 
       "src/core/lib/surface/alarm.c", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index cae2ea51db1..cf66c85f3f8 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -372,6 +372,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_writer.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\call.h" />
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 9e465ea7ef8..78997973caf 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -959,6 +959,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h">
+      <Filter>src\core\lib\slice</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index a16850d4487..4f9234a20bd 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -265,6 +265,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_writer.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\call.h" />
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 18076e75d9e..cf5c8dbda82 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -749,6 +749,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h">
+      <Filter>src\core\lib\slice</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index bfcf8f4bd87..367b23cd1aa 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -362,6 +362,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\json\json_writer.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\call.h" />
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 8edfcd7a55f..32c2bd7355a 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -872,6 +872,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\percent_encoding.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_internal.h">
+      <Filter>src\core\lib\slice</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\slice\slice_string_helpers.h">
       <Filter>src\core\lib\slice</Filter>
     </ClInclude>