adds typings for the 'prometheus-gc-stats' package

types/prometheus-gc-stats/index.d.ts

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+// Type definitions for prometheus-gc-stats 0.6
+// Project: https://github.com/SimenB/node-prometheus-gc-stats
+// Definitions by: Daniel Byrne <https://github.com/danwbyrne>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// register is typeof require('prom-client').Registry which has its own .d.ts
+declare function gcStats(register: any): () => void;
+
+export = gcStats;

types/prometheus-gc-stats/prometheus-gc-stats-tests.ts

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+import gcStats = require('prometheus-gc-stats');
+
+const testFunc = gcStats('something');
+// $ExpectType void
+testFunc();

types/prometheus-gc-stats/tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "lib": ["es6"],
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "baseUrl": "../",
+    "typeRoots": ["../"],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "files": [
+		"index.d.ts",
+		"prometheus-gc-stats-tests.ts"
+	]
+}

types/prometheus-gc-stats/tslint.json

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+{
+  "extends": "dtslint/dt.json"
+}