Add types for accurate-interval package (#39030)

* Add types for accurate-interval package

* Add accurateInterval function callback argument

types/accurate-interval/accurate-interval-tests.ts

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+import accurateInterval = require('accurate-interval');
+
+const interval = accurateInterval(() => void(0), 100, { aligned: true, immediate: true });
+interval.clear();
+const scheduledTime = 1000;
+const intervalScheludel = accurateInterval((scheduledTime: number) => void 0, 100, { aligned: true, immediate: true });
+const intervalScheludelError = accurateInterval(
+    () => {
+        return void 0;
+    },
+    100,
+    { aligned: true, immediate: true },
+);

types/accurate-interval/index.d.ts

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+// Type definitions for accurate-interval 1.0
+// Project: https://github.com/klyngbaek/accurate-interval#readme
+// Definitions by: Artur Dziedziczak <https://github.com/grayrattus>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function accurateInterval(func: (scheduledTime: number) => void, interval: number, opts: accurateInterval.Opts): accurateInterval.AccurateInterval;
+export = accurateInterval;
+
+declare namespace accurateInterval {
+    interface Opts {
+        aligned: boolean;
+        immediate: boolean;
+    }
+
+    interface AccurateInterval {
+        clear: () => void;
+    }
+}

types/accurate-interval/tsconfig.json

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

types/accurate-interval/tslint.json

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