diff --git a/command/_runtime/exit.ts b/command/_runtime/exit.ts
new file mode 100644
index 00000000..66ce1cc0
--- /dev/null
+++ b/command/_runtime/exit.ts
@@ -0,0 +1,11 @@
+export function exit(code: number): never {
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
+  const { Deno, process } = globalThis as any;
+  const exit: (code: number) => never = Deno?.exit ?? process?.exit;
+
+  if (exit) {
+    exit(code);
+  }
+
+  throw new Error("unsupported runtime");
+}
diff --git a/command/_runtime/get-argv.ts b/command/_runtime/get-argv.ts
new file mode 100644
index 00000000..d20de72a
--- /dev/null
+++ b/command/_runtime/get-argv.ts
@@ -0,0 +1,6 @@
+export function getArgv(): Array<string> {
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
+  const { Deno, process } = globalThis as any;
+
+  return Deno?.args ?? process?.argv.slice(2) ?? [];
+}
diff --git a/command/_runtime/get-env.ts b/command/_runtime/get-env.ts
new file mode 100644
index 00000000..5912af6f
--- /dev/null
+++ b/command/_runtime/get-env.ts
@@ -0,0 +1,12 @@
+export function getEnv(name: string): string | undefined {
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
+  const { Deno, process } = globalThis as any;
+
+  if (Deno) {
+    return Deno.env.get(name);
+  } else if (process) {
+    return process.env[name];
+  }
+
+  throw new Error("unsupported runtime");
+}
diff --git a/command/_runtime/no_color.ts b/command/_runtime/no_color.ts
new file mode 100644
index 00000000..8055511f
--- /dev/null
+++ b/command/_runtime/no_color.ts
@@ -0,0 +1,14 @@
+export function getNoColor(): boolean {
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
+  const { Deno, process } = globalThis as any;
+
+  if (Deno) {
+    return Deno.noColor;
+  } else if (process) {
+    return (
+      process?.env.NO_COLOR === "1" || process?.env.NODE_DISABLE_COLORS === "1"
+    );
+  }
+
+  throw new Error("unsupported runtime");
+}
diff --git a/command/_runtime/write_sync.ts b/command/_runtime/write_sync.ts
new file mode 100644
index 00000000..65d879a0
--- /dev/null
+++ b/command/_runtime/write_sync.ts
@@ -0,0 +1,13 @@
+export function writeSync(data: Uint8Array): number {
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
+  const { Deno, process } = globalThis as any;
+
+  if (Deno) {
+    return Deno.stdout.writeSync(data);
+  } else if (process) {
+    process.stdout.write(data);
+    return data.byteLength;
+  } else {
+    throw new Error("unsupported runtime");
+  }
+}
diff --git a/command/upgrade/get_runtime.ts b/command/upgrade/get_runtime.ts
index 31cd925b..5fa1d250 100644
--- a/command/upgrade/get_runtime.ts
+++ b/command/upgrade/get_runtime.ts
@@ -9,7 +9,7 @@ export interface GetRuntimeResult {
 
 /** Get runtime handler for current runtime. */
 export async function getRuntime(): Promise<GetRuntimeResult> {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno?.version?.deno) {
diff --git a/internal/runtime/exit.ts b/internal/runtime/exit.ts
index ed5e8579..fb34258f 100644
--- a/internal/runtime/exit.ts
+++ b/internal/runtime/exit.ts
@@ -5,7 +5,7 @@
  * @param code The exit code.
  */
 export function exit(code: number): never {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
   const exit: (code: number) => never = Deno?.exit ?? process?.exit;
 
diff --git a/internal/runtime/get_args.ts b/internal/runtime/get_args.ts
index 6f81d7ab..460df100 100644
--- a/internal/runtime/get_args.ts
+++ b/internal/runtime/get_args.ts
@@ -4,7 +4,7 @@
  * @internal
  */
 export function getArgs(): Array<string> {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   return Deno?.args ?? process?.argv.slice(2) ?? [];
diff --git a/internal/runtime/get_env.ts b/internal/runtime/get_env.ts
index 03af34e1..53dbc3f4 100644
--- a/internal/runtime/get_env.ts
+++ b/internal/runtime/get_env.ts
@@ -5,7 +5,7 @@
  * @param name The name of the environment variable.
  */
 export function getEnv(name: string): string | undefined {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {
diff --git a/internal/runtime/get_os.ts b/internal/runtime/get_os.ts
index d2481fbf..1d6676ee 100644
--- a/internal/runtime/get_os.ts
+++ b/internal/runtime/get_os.ts
@@ -16,7 +16,7 @@ export function getOs():
   | "openbsd"
   | "sunos"
   | "win32" {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {
diff --git a/internal/runtime/is_terminal.ts b/internal/runtime/is_terminal.ts
index db4981be..176e3eac 100644
--- a/internal/runtime/is_terminal.ts
+++ b/internal/runtime/is_terminal.ts
@@ -4,7 +4,7 @@
  * @internal
  */
 export function isTerminal(): boolean {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {
diff --git a/internal/runtime/no_color.ts b/internal/runtime/no_color.ts
index bb860138..ca227550 100644
--- a/internal/runtime/no_color.ts
+++ b/internal/runtime/no_color.ts
@@ -4,14 +4,15 @@
  * @internal
  */
 export function getNoColor(): boolean {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {
     return Deno.noColor;
   } else if (process) {
-    return process?.env.NO_COLOR === "1" ||
-      process?.env.NODE_DISABLE_COLORS === "1";
+    return (
+      process?.env.NO_COLOR === "1" || process?.env.NODE_DISABLE_COLORS === "1"
+    );
   }
 
   throw new Error("unsupported runtime");
diff --git a/internal/runtime/set_raw.ts b/internal/runtime/set_raw.ts
index ffd48ffb..dcd14b1a 100644
--- a/internal/runtime/set_raw.ts
+++ b/internal/runtime/set_raw.ts
@@ -7,9 +7,9 @@
  */
 export function setRaw(
   mode: boolean,
-  { cbreak }: { cbreak?: boolean } = {},
+  { cbreak }: { cbreak?: boolean } = {}
 ): void {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {
diff --git a/internal/runtime/write_sync.ts b/internal/runtime/write_sync.ts
index 1b5623cd..25e320a8 100644
--- a/internal/runtime/write_sync.ts
+++ b/internal/runtime/write_sync.ts
@@ -5,7 +5,7 @@
  * @param data Data to write to stdout.
  */
 export function writeSync(data: Uint8Array): number {
-  // deno-lint-ignore no-explicit-any
+  // dnt-shim-ignore deno-lint-ignore no-explicit-any
   const { Deno, process } = globalThis as any;
 
   if (Deno) {