diff --git a/.gitignore b/.gitignore
index 1faa9a6..3b55cb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 dist/
 .idea/
 VERSION
+bazel-*
diff --git a/BUILD.bazel b/BUILD.bazel
new file mode 100644
index 0000000..e69de29
diff --git a/deps.bzl b/deps.bzl
new file mode 100644
index 0000000..1dff003
--- /dev/null
+++ b/deps.bzl
@@ -0,0 +1,493 @@
+load("@bazel_gazelle//:deps.bzl", "go_repository")
+
+def go_dependencies():
+    go_repository(
+        name = "co_honnef_go_tools",
+        importpath = "honnef.co/go/tools",
+        sum = "h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=",
+        version = "v0.0.1-2020.1.3",
+    )
+    go_repository(
+        name = "com_github_antihax_optional",
+        importpath = "github.com/antihax/optional",
+        sum = "h1:xK2lYat7ZLaVVcIuj82J8kIro4V6kDe0AUDFboUCwcg=",
+        version = "v1.0.0",
+    )
+    go_repository(
+        name = "com_github_burntsushi_toml",
+        importpath = "github.com/BurntSushi/toml",
+        sum = "h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=",
+        version = "v0.3.1",
+    )
+    go_repository(
+        name = "com_github_burntsushi_xgb",
+        importpath = "github.com/BurntSushi/xgb",
+        sum = "h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=",
+        version = "v0.0.0-20160522181843-27f122750802",
+    )
+    go_repository(
+        name = "com_github_census_instrumentation_opencensus_proto",
+        importpath = "github.com/census-instrumentation/opencensus-proto",
+        sum = "h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=",
+        version = "v0.2.1",
+        build_extra_args = ["-exclude=src"],  # keep
+    )
+    go_repository(
+        name = "com_github_cespare_xxhash_v2",
+        importpath = "github.com/cespare/xxhash/v2",
+        sum = "h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=",
+        version = "v2.1.1",
+    )
+    go_repository(
+        name = "com_github_chzyer_logex",
+        importpath = "github.com/chzyer/logex",
+        sum = "h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=",
+        version = "v1.1.10",
+    )
+    go_repository(
+        name = "com_github_chzyer_readline",
+        importpath = "github.com/chzyer/readline",
+        sum = "h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=",
+        version = "v0.0.0-20180603132655-2972be24d48e",
+    )
+    go_repository(
+        name = "com_github_chzyer_test",
+        importpath = "github.com/chzyer/test",
+        sum = "h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=",
+        version = "v0.0.0-20180213035817-a1ea475d72b1",
+    )
+    go_repository(
+        name = "com_github_client9_misspell",
+        importpath = "github.com/client9/misspell",
+        sum = "h1:ta993UF76GwbvJcIo3Y68y/M3WxlpEHPWIGDkJYwzJI=",
+        version = "v0.3.4",
+    )
+    go_repository(
+        name = "com_github_cncf_udpa_go",
+        importpath = "github.com/cncf/udpa/go",
+        sum = "h1:hzAQntlaYRkVSFEfj9OTWlVV1H155FMD8BTKktLv0QI=",
+        version = "v0.0.0-20210930031921-04548b0d99d4",
+    )
+    go_repository(
+        name = "com_github_cncf_xds_go",
+        importpath = "github.com/cncf/xds/go",
+        sum = "h1:zH8ljVhhq7yC0MIeUL/IviMtY8hx2mK8cN9wEYb8ggw=",
+        version = "v0.0.0-20211011173535-cb28da3451f1",
+    )
+    go_repository(
+        name = "com_github_davecgh_go_spew",
+        importpath = "github.com/davecgh/go-spew",
+        sum = "h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=",
+        version = "v1.1.0",
+    )
+    go_repository(
+        name = "com_github_envoyproxy_go_control_plane",
+        importpath = "github.com/envoyproxy/go-control-plane",
+        sum = "h1:xvqufLtNVwAhN8NMyWklVgxnWohi+wtMGQMhtxexlm0=",
+        version = "v0.10.2-0.20220325020618-49ff273808a1",
+    )
+    go_repository(
+        name = "com_github_envoyproxy_protoc_gen_validate",
+        importpath = "github.com/envoyproxy/protoc-gen-validate",
+        sum = "h1:EQciDnbrYxy13PgWoY8AqoxGiPrpgBZ1R8UNe3ddc+A=",
+        version = "v0.1.0",
+        build_file_proto_mode = "disable_global",
+        patches = ["@grpcurl//patches:com_github_envoyproxy_protoc_gen_validate_validate_BUILD.patch"],
+    )
+    go_repository(
+        name = "com_github_ghodss_yaml",
+        importpath = "github.com/ghodss/yaml",
+        sum = "h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=",
+        version = "v1.0.0",
+    )
+    go_repository(
+        name = "com_github_go_gl_glfw",
+        importpath = "github.com/go-gl/glfw",
+        sum = "h1:QbL/5oDUmRBzO9/Z7Seo6zf912W/a6Sr4Eu0G/3Jho0=",
+        version = "v0.0.0-20190409004039-e6da0acd62b1",
+    )
+    go_repository(
+        name = "com_github_go_gl_glfw_v3_3_glfw",
+        importpath = "github.com/go-gl/glfw/v3.3/glfw",
+        sum = "h1:WtGNWLvXpe6ZudgnXrq0barxBImvnnJoMEhXAzcbM0I=",
+        version = "v0.0.0-20200222043503-6f7a984d4dc4",
+    )
+    go_repository(
+        name = "com_github_golang_glog",
+        importpath = "github.com/golang/glog",
+        sum = "h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=",
+        version = "v0.0.0-20160126235308-23def4e6c14b",
+    )
+    go_repository(
+        name = "com_github_golang_groupcache",
+        importpath = "github.com/golang/groupcache",
+        sum = "h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=",
+        version = "v0.0.0-20200121045136-8c9f03a8e57e",
+    )
+    go_repository(
+        name = "com_github_golang_mock",
+        importpath = "github.com/golang/mock",
+        sum = "h1:GV+pQPG/EUUbkh47niozDcADz6go/dUwhVzdUQHIVRw=",
+        version = "v1.4.3",
+    )
+    go_repository(
+        name = "com_github_golang_protobuf",
+        importpath = "github.com/golang/protobuf",
+        sum = "h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=",
+        version = "v1.5.2",
+    )
+    go_repository(
+        name = "com_github_google_btree",
+        importpath = "github.com/google/btree",
+        sum = "h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=",
+        version = "v1.0.0",
+    )
+    go_repository(
+        name = "com_github_google_go_cmp",
+        importpath = "github.com/google/go-cmp",
+        sum = "h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=",
+        version = "v0.5.6",
+    )
+    go_repository(
+        name = "com_github_google_martian",
+        importpath = "github.com/google/martian",
+        sum = "h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=",
+        version = "v2.1.0+incompatible",
+    )
+    go_repository(
+        name = "com_github_google_pprof",
+        importpath = "github.com/google/pprof",
+        sum = "h1:SRgJV+IoxM5MKyFdlSUeNy6/ycRUF2yBAKdAQswoHUk=",
+        version = "v0.0.0-20200229191704-1ebb73c60ed3",
+    )
+    go_repository(
+        name = "com_github_google_renameio",
+        importpath = "github.com/google/renameio",
+        sum = "h1:GOZbcHa3HfsPKPlmyPyN2KEohoMXOhdMbHrvbpl2QaA=",
+        version = "v0.1.0",
+    )
+    go_repository(
+        name = "com_github_google_uuid",
+        importpath = "github.com/google/uuid",
+        sum = "h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=",
+        version = "v1.1.2",
+    )
+    go_repository(
+        name = "com_github_googleapis_gax_go_v2",
+        importpath = "github.com/googleapis/gax-go/v2",
+        sum = "h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=",
+        version = "v2.0.5",
+    )
+    go_repository(
+        name = "com_github_grpc_ecosystem_grpc_gateway",
+        importpath = "github.com/grpc-ecosystem/grpc-gateway",
+        sum = "h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo=",
+        version = "v1.16.0",
+    )
+    go_repository(
+        name = "com_github_hashicorp_golang_lru",
+        importpath = "github.com/hashicorp/golang-lru",
+        sum = "h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=",
+        version = "v0.5.1",
+    )
+    go_repository(
+        name = "com_github_ianlancetaylor_demangle",
+        importpath = "github.com/ianlancetaylor/demangle",
+        sum = "h1:UDMh68UUwekSh5iP2OMhRRZJiiBccgV7axzUG8vi56c=",
+        version = "v0.0.0-20181102032728-5e5cf60278f6",
+    )
+    go_repository(
+        name = "com_github_jhump_gopoet",
+        importpath = "github.com/jhump/gopoet",
+        sum = "h1:gYjOPnzHd2nzB37xYQZxj4EIQNpBrBskRqQQ3q4ZgSg=",
+        version = "v0.1.0",
+    )
+    go_repository(
+        name = "com_github_jhump_goprotoc",
+        importpath = "github.com/jhump/goprotoc",
+        sum = "h1:Y1UgUX+txUznfqcGdDef8ZOVlyQvnV0pKWZH08RmZuo=",
+        version = "v0.5.0",
+    )
+    go_repository(
+        name = "com_github_jhump_protoreflect",
+        importpath = "github.com/jhump/protoreflect",
+        sum = "h1:1NQ4FpWMgn3by/n1X0fbeKEUxP1wBt7+Oitpv01HR10=",
+        version = "v1.12.0",
+    )
+    go_repository(
+        name = "com_github_jstemmer_go_junit_report",
+        importpath = "github.com/jstemmer/go-junit-report",
+        sum = "h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o=",
+        version = "v0.9.1",
+    )
+    go_repository(
+        name = "com_github_kisielk_gotool",
+        importpath = "github.com/kisielk/gotool",
+        sum = "h1:AV2c/EiW3KqPNT9ZKl07ehoAGi4C5/01Cfbblndcapg=",
+        version = "v1.0.0",
+    )
+    go_repository(
+        name = "com_github_kr_pretty",
+        importpath = "github.com/kr/pretty",
+        sum = "h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=",
+        version = "v0.1.0",
+    )
+    go_repository(
+        name = "com_github_kr_pty",
+        importpath = "github.com/kr/pty",
+        sum = "h1:VkoXIwSboBpnk99O/KFauAEILuNHv5DVFKZMBN/gUgw=",
+        version = "v1.1.1",
+    )
+    go_repository(
+        name = "com_github_kr_text",
+        importpath = "github.com/kr/text",
+        sum = "h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=",
+        version = "v0.1.0",
+    )
+    go_repository(
+        name = "com_github_pmezard_go_difflib",
+        importpath = "github.com/pmezard/go-difflib",
+        sum = "h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=",
+        version = "v1.0.0",
+    )
+    go_repository(
+        name = "com_github_prometheus_client_model",
+        importpath = "github.com/prometheus/client_model",
+        sum = "h1:gQz4mCbXsO+nc9n1hCxHcGA3Zx3Eo+UHZoInFGUIXNM=",
+        version = "v0.0.0-20190812154241-14fe0d1b01d4",
+    )
+    go_repository(
+        name = "com_github_rogpeppe_fastuuid",
+        importpath = "github.com/rogpeppe/fastuuid",
+        sum = "h1:Ppwyp6VYCF1nvBTXL3trRso7mXMlRrw9ooo375wvi2s=",
+        version = "v1.2.0",
+    )
+    go_repository(
+        name = "com_github_rogpeppe_go_internal",
+        importpath = "github.com/rogpeppe/go-internal",
+        sum = "h1:RR9dF3JtopPvtkroDZuVD7qquD0bnHlKSqaQhgwt8yk=",
+        version = "v1.3.0",
+    )
+    go_repository(
+        name = "com_github_stretchr_objx",
+        importpath = "github.com/stretchr/objx",
+        sum = "h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=",
+        version = "v0.1.0",
+    )
+    go_repository(
+        name = "com_github_stretchr_testify",
+        importpath = "github.com/stretchr/testify",
+        sum = "h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=",
+        version = "v1.7.0",
+    )
+    go_repository(
+        name = "com_github_yuin_goldmark",
+        importpath = "github.com/yuin/goldmark",
+        sum = "h1:isv+Q6HQAmmL2Ofcmg8QauBmDPlUUnSoNhEcC940Rds=",
+        version = "v1.1.25",
+    )
+    go_repository(
+        name = "com_google_cloud_go",
+        importpath = "cloud.google.com/go",
+        sum = "h1:WRz29PgAsVEyPSDHyk+0fpEkwEFyfhHn+JbksT6gIL4=",
+        version = "v0.56.0",
+    )
+    go_repository(
+        name = "com_google_cloud_go_bigquery",
+        importpath = "cloud.google.com/go/bigquery",
+        sum = "h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=",
+        version = "v1.4.0",
+    )
+    go_repository(
+        name = "com_google_cloud_go_datastore",
+        importpath = "cloud.google.com/go/datastore",
+        sum = "h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=",
+        version = "v1.1.0",
+    )
+    go_repository(
+        name = "com_google_cloud_go_pubsub",
+        importpath = "cloud.google.com/go/pubsub",
+        sum = "h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680=",
+        version = "v1.2.0",
+    )
+    go_repository(
+        name = "com_google_cloud_go_storage",
+        importpath = "cloud.google.com/go/storage",
+        sum = "h1:UDpwYIwla4jHGzZJaEJYx1tOejbgSoNqsAfHAUYe2r8=",
+        version = "v1.6.0",
+    )
+    go_repository(
+        name = "com_shuralyov_dmitri_gpu_mtl",
+        importpath = "dmitri.shuralyov.com/gpu/mtl",
+        sum = "h1:VpgP7xuJadIUuKccphEpTJnWhS2jkQyMt6Y7pJCD7fY=",
+        version = "v0.0.0-20190408044501-666a987793e9",
+    )
+    go_repository(
+        name = "in_gopkg_check_v1",
+        importpath = "gopkg.in/check.v1",
+        sum = "h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=",
+        version = "v1.0.0-20190902080502-41f04d3bba15",
+    )
+    go_repository(
+        name = "in_gopkg_errgo_v2",
+        importpath = "gopkg.in/errgo.v2",
+        sum = "h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=",
+        version = "v2.1.0",
+    )
+    go_repository(
+        name = "in_gopkg_yaml_v2",
+        importpath = "gopkg.in/yaml.v2",
+        sum = "h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=",
+        version = "v2.2.8",
+    )
+    go_repository(
+        name = "in_gopkg_yaml_v3",
+        importpath = "gopkg.in/yaml.v3",
+        sum = "h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=",
+        version = "v3.0.0-20200313102051-9f266ea9e77c",
+    )
+    go_repository(
+        name = "io_opencensus_go",
+        importpath = "go.opencensus.io",
+        sum = "h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8=",
+        version = "v0.22.3",
+    )
+    go_repository(
+        name = "io_opentelemetry_go_proto_otlp",
+        importpath = "go.opentelemetry.io/proto/otlp",
+        sum = "h1:rwOQPCuKAKmwGKq2aVNnYIibI6wnV7EvzgfTCzcdGg8=",
+        version = "v0.7.0",
+    )
+    go_repository(
+        name = "io_rsc_binaryregexp",
+        importpath = "rsc.io/binaryregexp",
+        sum = "h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=",
+        version = "v0.2.0",
+    )
+    go_repository(
+        name = "io_rsc_quote_v3",
+        importpath = "rsc.io/quote/v3",
+        sum = "h1:9JKUTTIUgS6kzR9mK1YuGKv6Nl+DijDNIc0ghT58FaY=",
+        version = "v3.1.0",
+    )
+    go_repository(
+        name = "io_rsc_sampler",
+        importpath = "rsc.io/sampler",
+        sum = "h1:7uVkIFmeBqHfdjD+gZwtXXI+RODJ2Wc4O7MPEh/QiW4=",
+        version = "v1.3.0",
+    )
+    go_repository(
+        name = "org_golang_google_api",
+        importpath = "google.golang.org/api",
+        sum = "h1:jz2KixHX7EcCPiQrySzPdnYT7DbINAypCqKZ1Z7GM40=",
+        version = "v0.20.0",
+    )
+    go_repository(
+        name = "org_golang_google_appengine",
+        importpath = "google.golang.org/appengine",
+        sum = "h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=",
+        version = "v1.6.5",
+    )
+    go_repository(
+        name = "org_golang_google_genproto",
+        importpath = "google.golang.org/genproto",
+        sum = "h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=",
+        version = "v0.0.0-20200526211855-cb27e3aa2013",
+    )
+    go_repository(
+        name = "org_golang_google_grpc",
+        importpath = "google.golang.org/grpc",
+        sum = "h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=",
+        version = "v1.47.0",
+        build_file_proto_mode = "disable",
+    )
+    go_repository(
+        name = "org_golang_google_protobuf",
+        importpath = "google.golang.org/protobuf",
+        sum = "h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=",
+        version = "v1.28.0",
+    )
+    go_repository(
+        name = "org_golang_x_crypto",
+        importpath = "golang.org/x/crypto",
+        sum = "h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=",
+        version = "v0.0.0-20200622213623-75b288015ac9",
+    )
+    go_repository(
+        name = "org_golang_x_exp",
+        importpath = "golang.org/x/exp",
+        sum = "h1:QE6XYQK6naiK1EPAe1g/ILLxN5RBoH5xkJk3CqlMI/Y=",
+        version = "v0.0.0-20200224162631-6cc2880d07d6",
+    )
+    go_repository(
+        name = "org_golang_x_image",
+        importpath = "golang.org/x/image",
+        sum = "h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=",
+        version = "v0.0.0-20190802002840-cff245a6509b",
+    )
+    go_repository(
+        name = "org_golang_x_lint",
+        importpath = "golang.org/x/lint",
+        sum = "h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=",
+        version = "v0.0.0-20200302205851-738671d3881b",
+    )
+    go_repository(
+        name = "org_golang_x_mobile",
+        importpath = "golang.org/x/mobile",
+        sum = "h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs=",
+        version = "v0.0.0-20190719004257-d2bd2a29d028",
+    )
+    go_repository(
+        name = "org_golang_x_mod",
+        importpath = "golang.org/x/mod",
+        sum = "h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=",
+        version = "v0.2.0",
+    )
+    go_repository(
+        name = "org_golang_x_net",
+        importpath = "golang.org/x/net",
+        sum = "h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI=",
+        version = "v0.0.0-20201021035429-f5854403a974",
+    )
+    go_repository(
+        name = "org_golang_x_oauth2",
+        importpath = "golang.org/x/oauth2",
+        sum = "h1:TzXSXBo42m9gQenoE3b9BGiEpg5IG2JkU5FkPIawgtw=",
+        version = "v0.0.0-20200107190931-bf48bf16ab8d",
+    )
+    go_repository(
+        name = "org_golang_x_sync",
+        importpath = "golang.org/x/sync",
+        sum = "h1:WXEvlFVvvGxCJLG6REjsT03iWnKLEWinaScsxF2Vm2o=",
+        version = "v0.0.0-20200317015054-43a5402ce75a",
+    )
+    go_repository(
+        name = "org_golang_x_sys",
+        importpath = "golang.org/x/sys",
+        sum = "h1:myAQVi0cGEoqQVR5POX+8RR2mrocKqNN1hmeMqhX27k=",
+        version = "v0.0.0-20210119212857-b64e53b001e4",
+    )
+    go_repository(
+        name = "org_golang_x_text",
+        importpath = "golang.org/x/text",
+        sum = "h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=",
+        version = "v0.3.7",
+    )
+    go_repository(
+        name = "org_golang_x_time",
+        importpath = "golang.org/x/time",
+        sum = "h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=",
+        version = "v0.0.0-20191024005414-555d28b269f0",
+    )
+    go_repository(
+        name = "org_golang_x_tools",
+        importpath = "golang.org/x/tools",
+        sum = "h1:kDtqNkeBrZb8B+atrj50B5XLHpzXXqcCdZPP/ApQ5NY=",
+        version = "v0.0.0-20200331025713-a30bf2db82d4",
+    )
+    go_repository(
+        name = "org_golang_x_xerrors",
+        importpath = "golang.org/x/xerrors",
+        sum = "h1:uF6paiQQebLeSXkrTqHqz0MXhXXS1KgF41eUdBNvxK0=",
+        version = "v0.0.0-20220609144429-65e65417b02f",
+    )
diff --git a/go.mod b/go.mod
index 4f31e9c..50b4e46 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,27 @@
 module github.com/fullstorydev/grpcurl
 
-go 1.15
+go 1.18
 
 require (
-	cloud.google.com/go v0.56.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/golang/protobuf v1.5.2
 	github.com/jhump/protoreflect v1.12.0
-	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/grpc v1.47.0
 	google.golang.org/protobuf v1.28.0
 )
+
+require (
+	cloud.google.com/go v0.56.0 // indirect
+	github.com/census-instrumentation/opencensus-proto v0.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4 // indirect
+	github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1 // indirect
+	github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1 // indirect
+	github.com/envoyproxy/protoc-gen-validate v0.1.0 // indirect
+	golang.org/x/net v0.0.0-20201021035429-f5854403a974 // indirect
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
+	golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
+	google.golang.org/appengine v1.6.5 // indirect
+	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
+)
diff --git a/go.sum b/go.sum
index f6e9e07..6ad1a7f 100644
--- a/go.sum
+++ b/go.sum
@@ -42,8 +42,6 @@ github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1 h1:zH8ljVhhq7yC0MIeUL/IviMtY8hx2mK8cN9wEYb8ggw=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -116,12 +114,9 @@ github.com/jhump/protoreflect v1.12.0/go.mod h1:JytZfP5d0r8pVNLZvai7U/MCuTWITgrI
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
@@ -129,7 +124,6 @@ github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
@@ -270,8 +264,9 @@ golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWc
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f h1:uF6paiQQebLeSXkrTqHqz0MXhXXS1KgF41eUdBNvxK0=
+golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -339,13 +334,11 @@ google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscL
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/grpcurl.bzl b/grpcurl.bzl
new file mode 100644
index 0000000..0ebdc0f
--- /dev/null
+++ b/grpcurl.bzl
@@ -0,0 +1,12 @@
+"""Bazel macro to run a binary copy of gRPCurl."""
+
+def grpcurl(name, descriptor, args = []):
+    """
+    Run a gRPCurl command with the specified `args` and `descriptor` set.
+
+    Parameters:
+        name: The name of the target to run.
+        descriptor: The target for the protocol buffer descriptor set.
+        args: Arguments to pass to the command.
+    """
+    pass
diff --git a/grpcurl_repositories.bzl b/grpcurl_repositories.bzl
new file mode 100644
index 0000000..5a1e801
--- /dev/null
+++ b/grpcurl_repositories.bzl
@@ -0,0 +1,112 @@
+"""Bazel macro to run a binary copy of gRPCurl."""
+
+
+# sample link (for `_bindist("1.8.6", "osx", "arm64")`):
+# https://github.com/fullstorydev/grpcurl/releases/download/v1.8.6/grpcurl_1.8.6_osx_arm64.tar.gz
+def _bindist(version, os, arch):
+    return "https://github.com/fullstorydev/grpcurl/releases/download/v%s/grpcurl_%s_%s_%s.tar.gz" % (
+        version,
+        version,
+        os,
+        arch
+    )
+
+# sample bundle (for `_bindist_bundle("1.8.6", "linux", archs = ["arm64", "s390x", "x86_32", "x86_64"])`):
+# "linux": {
+#     "arm64": _bindist("1.8.6", "linux", "arm64"),
+#     "s390x": _bindist("1.8.6", "linux", "s390x"),
+#     "x86_32": _bindist("1.8.6", "linux", "x86_32"),
+#     "x86_64": _bindist("1.8.6", "linux", "x86_64"),
+# },
+def _bindist_bundle(version, os, archs = []):
+    return dict([
+        (arch, _bindist(version, os, arch))
+        for arch in archs
+    ])
+
+# sample version: (for `_bindist_bundle("1.8.6", bundles = {"osx": ["arm64"], "linux": ["arm64"]})`)
+# "1.8.6": {
+#     "linux": {
+#         "arm64": _bindist("1.8.6", "linux", "arm64"),
+#     },
+#     "darwin": {
+#         "arm64": _bindist("1.8.6", "osx", "arm64"),
+#     },
+# },
+def _bindist_version(version, bundles = {}):
+    return dict([
+        (os, _bindist_bundle(version, os, archs))
+        for os, archs in bundles.items()
+    ])
+
+
+# version checkums (static)
+_grpcurl_version_checksums = {
+    "1.8.6_linux_x86_64": "5d6768248ea75b30fba09c09ff8ba91fbc0dd1a33361b847cdaf4825b1b514a7",
+    "1.8.6_linux_arm64": "8e68cef2b493e79ebf8cb6d867678cbba0b9c5dea75f238575fca4f3bcc539b2",
+    "1.8.6_linux_s390x": "45ffd4a01c330176a4f5727667571973c60d0b4d670d4fbba31b3cf86922f889",
+    "1.8.6_osx_arm64": "fe3ce63efb168e894f4af58512b1bd9e3327166f1616975a7dbb249a990ce6cf",
+    "1.8.6_osx_x86_64": "f908d8d2006efaf702097593a2e030ddc9274c7d349b85bee9d3cfa099018854",
+    "1.8.6_linux_x86_32": "7840189ecac1f8c7d102fe947a73299abe87435b246a2f679e285d3160a49104",
+}
+
+# version configs (static)
+_grpcurl_version_configs = {
+    "1.8.6": _bindist_version(
+        version = "1.8.6",
+        bundles = {
+            "linux": ["arm64", "s390x", "x86_32", "x86_64"],
+            "osx": ["arm64", "x86_64"],
+        },
+    ),
+}
+
+_grpcurl_latest_version = "1.8.6"
+
+def _get_platform(ctx):
+    res = ctx.execute(["uname", "-p"])
+    arch = "amd64"
+    if res.return_code == 0:
+        uname = res.stdout.strip()
+        if uname == "arm":
+            arch = "arm64"
+        elif uname == "aarch64":
+            arch = "aarch64"
+
+    if ctx.os.name == "linux":
+        return ("linux", arch)
+    elif ctx.os.name == "mac os x":
+        if arch == "arm64" or arch == "aarch64":
+            return ("osx", "arm64")
+        return ("osx", "x86_64")
+    else:
+        fail("Unsupported operating system: " + ctx.os.name)
+
+def _grpcurl_bindist_repository_impl(ctx):
+    platform = _get_platform(ctx)
+    version = ctx.attr.version
+
+    # resolve dist
+    config = _grpcurl_version_configs[version]
+    link = config[platform[0]][platform[1]]
+    sha = _grpcurl_version_checksums["%s_%s_%s" % (version, platform[0], platform[1])]
+
+    urls = [link]
+    ctx.download_and_extract(
+        url = urls,
+        sha256 = sha,
+    )
+
+    ctx.file("BUILD", """exports_files(glob(["**/*"]))""")
+    ctx.file("WORKSPACE", "workspace(name = \"{name}\")".format(name = ctx.name))
+
+
+grpcurl_bindist_repository = repository_rule(
+    attrs = {
+        "version": attr.string(
+            mandatory = True,
+            default = _grpcurl_latest_version,
+        ),
+    },
+    implementation = _grpcurl_bindist_repository_impl,
+)
diff --git a/patches/com_github_envoyproxy_protoc_gen_validate_validate_BUILD.patch b/patches/com_github_envoyproxy_protoc_gen_validate_validate_BUILD.patch
new file mode 100644
index 0000000..8b5ce7b
--- /dev/null
+++ b/patches/com_github_envoyproxy_protoc_gen_validate_validate_BUILD.patch
@@ -0,0 +1,12 @@
+--- validate/BUILD.orig	2021-02-12 10:02:41.000000000 +0100
++++ validate/BUILD	2021-02-12 09:56:57.000000000 +0100
+@@ -48,3 +48,9 @@
+     visibility = ["//visibility:public"],
+     deps = [":validate_proto"],
+ )
++
++alias(
++    name = "validate",
++    actual = ":go_default_library",
++    visibility = ["//visibility:public"],
++)