diff --git a/package-lock.json b/package-lock.json
index 1cd4880d9b51..b1dff268aee1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,6 @@
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       "name": "azure-rest-api-specs",
-      "hasInstallScript": true,
       "devDependencies": {
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         "@azure-tools/cadl-autorest": "0.26.0",
@@ -13,13 +12,13 @@
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         "@azure-tools/cadl-providerhub": "0.26.0",
         "@azure-tools/typespec-apiview": "0.4.4",
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-        "@azure-tools/typespec-azure-core": "0.29.0",
-        "@azure-tools/typespec-azure-resource-manager": "0.29.0",
-        "@azure-tools/typespec-providerhub": "0.29.0",
+        "@azure-tools/typespec-autorest": "0.30.0",
+        "@azure-tools/typespec-azure-core": "0.30.0",
+        "@azure-tools/typespec-azure-resource-manager": "0.30.0",
+        "@azure-tools/typespec-providerhub": "0.30.0",
         "@azure/avocado": "^0.8.4",
         "@types/prettier": "^2.7.2",
-        "@typespec/compiler": "0.43.0",
+        "@typespec/compiler": "0.44.0",
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@@ -139,77 +138,77 @@
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+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-autorest/-/typespec-autorest-0.30.0.tgz",
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-        "@typespec/openapi": "~0.43.0",
-        "@typespec/rest": "~0.43.0",
-        "@typespec/versioning": "~0.43.0"
+        "@azure-tools/typespec-azure-core": "~0.30.0",
+        "@typespec/compiler": "~0.44.0",
+        "@typespec/http": "~0.44.0",
+        "@typespec/openapi": "~0.44.0",
+        "@typespec/rest": "~0.44.0",
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+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-azure-core/-/typespec-azure-core-0.30.0.tgz",
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       "dev": true,
       "dependencies": {
-        "@typespec/lint": "~0.43.0"
+        "@typespec/lint": "~0.44.0"
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       "peerDependencies": {
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-        "@typespec/http": "~0.43.0",
-        "@typespec/rest": "~0.43.0"
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+        "@typespec/http": "~0.44.0",
+        "@typespec/rest": "~0.44.0"
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-        "@typespec/openapi": "~0.43.0",
-        "@typespec/rest": "~0.43.0",
-        "@typespec/versioning": "~0.43.0"
+        "@azure-tools/typespec-autorest": "~0.30.0",
+        "@azure-tools/typespec-azure-core": "~0.30.0",
+        "@typespec/compiler": "~0.44.0",
+        "@typespec/http": "~0.44.0",
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+        "@typespec/rest": "~0.44.0",
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       "dev": true,
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-        "@azure-tools/typespec-azure-core": "~0.29.0",
-        "@azure-tools/typespec-azure-resource-manager": "~0.29.0",
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-        "@typespec/http": "~0.43.0",
-        "@typespec/openapi": "~0.43.0",
-        "@typespec/rest": "~0.43.0",
-        "@typespec/versioning": "~0.43.0"
+        "@azure-tools/typespec-autorest": "~0.30.0",
+        "@azure-tools/typespec-azure-core": "~0.30.0",
+        "@azure-tools/typespec-azure-resource-manager": "~0.30.0",
+        "@typespec/compiler": "~0.44.0",
+        "@typespec/http": "~0.44.0",
+        "@typespec/openapi": "~0.44.0",
+        "@typespec/rest": "~0.44.0",
+        "@typespec/versioning": "~0.44.0"
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     "node_modules/@azure/avocado": {
@@ -847,26 +846,26 @@
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-      "resolved": "https://registry.npmjs.org/@typespec/compiler/-/compiler-0.43.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@typespec/compiler/-/compiler-0.44.0.tgz",
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       "dev": true,
       "dependencies": {
-        "@babel/code-frame": "~7.18.6",
-        "ajv": "~8.11.2",
+        "@babel/code-frame": "~7.21.4",
+        "ajv": "~8.12.0",
         "change-case": "~4.1.2",
         "globby": "~13.1.1",
         "js-yaml": "~4.1.0",
-        "mkdirp": "~1.0.4",
+        "mkdirp": "~2.1.6",
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         "node-fetch": "3.2.8",
         "node-watch": "~0.7.1",
         "picocolors": "~1.0.0",
-        "prettier": "~2.8.1",
+        "prettier": "~2.8.7",
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+        "vscode-languageserver": "~8.1.0",
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+        "yargs": "~17.7.1"
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       "bin": {
         "tsp": "cmd/tsp.js",
@@ -876,6 +875,34 @@
         "node": ">=16.0.0"
       }
     },
+    "node_modules/@typespec/compiler/node_modules/@babel/code-frame": {
+      "version": "7.21.4",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.21.4.tgz",
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+      "dev": true,
+      "dependencies": {
+        "@babel/highlight": "^7.18.6"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@typespec/compiler/node_modules/ajv": {
+      "version": "8.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
+      "integrity": "sha512-sRu1kpcO9yLtYxBKvqfTeh9KzZEwO3STyX1HT+4CaDzC6HpTGYhIhPIzj9XuKU7KYDwnaeh5hcOwjy1QuJzBPA==",
+      "dev": true,
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/@typespec/compiler/node_modules/ansi-styles": {
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       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -941,6 +968,21 @@
         "js-yaml": "bin/js-yaml.js"
       }
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+    "node_modules/@typespec/compiler/node_modules/mkdirp": {
+      "version": "2.1.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-2.1.6.tgz",
+      "integrity": "sha512-+hEnITedc8LAtIP9u3HJDFIdcLV2vXP33sqLLIzkv1Db1zO/1OxbvYf0Y1OC/S/Qo5dxHXepofhmxL02PsKe+A==",
+      "dev": true,
+      "bin": {
+        "mkdirp": "dist/cjs/src/bin.js"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
     "node_modules/@typespec/compiler/node_modules/node-fetch": {
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       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.2.8.tgz",
@@ -959,6 +1001,43 @@
         "url": "https://opencollective.com/node-fetch"
       }
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+    "node_modules/@typespec/compiler/node_modules/vscode-jsonrpc": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.1.0.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@typespec/compiler/node_modules/vscode-languageserver": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver/-/vscode-languageserver-8.1.0.tgz",
+      "integrity": "sha512-eUt8f1z2N2IEUDBsKaNapkz7jl5QpskN2Y0G01T/ItMxBxw1fJwvtySGB9QMecatne8jFIWJGWI61dWjyTLQsw==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "bin": {
+        "installServerIntoExtension": "bin/installServerIntoExtension"
+      }
+    },
+    "node_modules/@typespec/compiler/node_modules/vscode-languageserver-protocol": {
+      "version": "3.17.3",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.3.tgz",
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+      "dev": true,
+      "dependencies": {
+        "vscode-jsonrpc": "8.1.0",
+        "vscode-languageserver-types": "3.17.3"
+      }
+    },
+    "node_modules/@typespec/compiler/node_modules/vscode-languageserver-types": {
+      "version": "3.17.3",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.17.3.tgz",
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+      "dev": true
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     "node_modules/@typespec/compiler/node_modules/wrap-ansi": {
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@@ -986,9 +1065,9 @@
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@@ -1013,69 +1092,69 @@
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-        "@typespec/compiler": "~0.43.0"
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-        "@typespec/rest": "~0.43.0"
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diff --git a/package.json b/package.json
index c8b6184cdbd3..6431cb7079b5 100644
--- a/package.json
+++ b/package.json
@@ -7,11 +7,11 @@
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     "@azure-tools/cadl-providerhub": "0.26.0",
     "@azure-tools/typespec-apiview": "0.4.4",
-    "@azure-tools/typespec-autorest": "0.29.0",
-    "@azure-tools/typespec-azure-core": "0.29.0",
-    "@azure-tools/typespec-azure-resource-manager": "0.29.0",
-    "@azure-tools/typespec-providerhub": "0.29.0",
-    "@typespec/compiler": "0.43.0",
+    "@azure-tools/typespec-autorest": "0.30.0",
+    "@azure-tools/typespec-azure-core": "0.30.0",
+    "@azure-tools/typespec-azure-resource-manager": "0.30.0",
+    "@azure-tools/typespec-providerhub": "0.30.0",
+    "@typespec/compiler": "0.44.0",
     "@azure/avocado": "^0.8.4",
     "@types/prettier": "^2.7.2",
     "prettier": "^2.8.8",
diff --git a/specification/translation/Azure.AI.TextTranslation/models-translate.tsp b/specification/translation/Azure.AI.TextTranslation/models-translate.tsp
index 5789a2f26e8a..608303a7c93c 100644
--- a/specification/translation/Azure.AI.TextTranslation/models-translate.tsp
+++ b/specification/translation/Azure.AI.TextTranslation/models-translate.tsp
@@ -13,6 +13,7 @@ namespace TextTranslation;
 model TranslateParameters {
   ...CommonParameters;
 
+  #suppress "@azure-tools/typespec-azure-core/prefer-csv-collection-format" "Existing Spec"
   @query({format: "multi"})
   @doc("""
     Specifies the language of the output text. The target language must be one of the supported languages included 
diff --git a/specification/translation/Azure.AI.TextTranslation/routes.tsp b/specification/translation/Azure.AI.TextTranslation/routes.tsp
index e1f1655c8fce..9f4d59ef2b0f 100644
--- a/specification/translation/Azure.AI.TextTranslation/routes.tsp
+++ b/specification/translation/Azure.AI.TextTranslation/routes.tsp
@@ -16,6 +16,7 @@ namespace TextTranslation;
 op CustomOperation<TBody, TParams, TResponse, Traits = {}, TError = ErrorResponse>(
   ...TParams,
 
+  #suppress "@azure-tools/typespec-azure-core/request-body-problem" "Existing spec"
   @doc("Defines the content of the request")
   @body
   requestBody: TBody,
@@ -39,7 +40,7 @@ op CustomGetOperation<TParams, TResponse, Traits = {}, TError = ErrorResponse>(
 @route("languages")
 @summary("Gets the set of languages currently supported by other operations of the Translator.")
 @doc("Gets the set of languages currently supported by other operations of the Translator.")
-op GetLanguages is CustomGetOperation<
+op getLanguages is CustomGetOperation<
   GetLanguageParameters,
   GetLanguagesResult,
   {},
@@ -51,7 +52,7 @@ op GetLanguages is CustomGetOperation<
 @route("translate")
 @summary("Translate Text")
 @doc("Translate Text")
-op Translate is CustomOperation<
+op translate is CustomOperation<
   InputTextItem[],
   TranslateParameters,
   TranslationResult,
@@ -64,7 +65,7 @@ op Translate is CustomOperation<
 @route("transliterate")
 @summary("Transliterate Text")
 @doc("Transliterate Text")
-op Transliterate is CustomOperation<
+op transliterate is CustomOperation<
   InputTextItem[],
   TransliterateParameters,
   TransliterateResult,
@@ -77,7 +78,7 @@ op Transliterate is CustomOperation<
 @route("breaksentence")
 @summary("Find Sentence Boundaries")
 @doc("Find Sentence Boundaries")
-op FindSentenceBoundaries is CustomOperation<
+op findSentenceBoundaries is CustomOperation<
   InputTextItem[],
   BreakSentenceParameters,
   BreakSentenceResult,
@@ -90,7 +91,7 @@ op FindSentenceBoundaries is CustomOperation<
 @route("dictionary/lookup")
 @summary("Lookup Dictionary Entries")
 @doc("Lookup Dictionary Entries")
-op LookupDictionaryEntries is CustomOperation<
+op lookupDictionaryEntries is CustomOperation<
   InputTextItem[],
   DictionaryLookupParameters,
   DictionaryLookupResult,
@@ -103,7 +104,7 @@ op LookupDictionaryEntries is CustomOperation<
 @route("dictionary/examples")
 @summary("Lookup Dictionary Examples")
 @doc("Lookup Dictionary Examples")
-op LookupDictionaryExamples is CustomOperation<
+op lookupDictionaryExamples is CustomOperation<
   DictionaryExampleTextItem[],
   DictionaryExamplesParameters,
   DictionaryExamplesResult,