diff --git a/types/atom/atom-tests.ts b/types/atom/atom-tests.ts
index 4bfcfe11cb..28b93c73a8 100644
--- a/types/atom/atom-tests.ts
+++ b/types/atom/atom-tests.ts
@@ -196,6 +196,8 @@ function testAtomEnvironment() {
     }
 
     atom.executeJavaScriptInDevTools("Test");
+
+    const path: string = atom.getConfigDirPath();
 }
 
 // BufferedNodeProcess ========================================================
@@ -1056,6 +1058,10 @@ function testGrammar() {
     tokenizeLineResult.tokens;
     grammar.tokenizeLine("Test String", tokenizeLineResult.ruleStack);
     grammar.tokenizeLine("Test String", tokenizeLineResult.ruleStack, false);
+
+    let str: string;
+    str = grammar.name;
+    str = grammar.scopeName;
 }
 
 // GrammarRegistry ============================================================
@@ -1396,6 +1402,9 @@ function testPackageManager() {
     subscription = atom.packages.onDidDeactivatePackage(pack => pack.path);
     subscription = atom.packages.onDidLoadPackage(pack => pack.isCompatible());
     subscription = atom.packages.onDidUnloadPackage(pack => pack.name);
+    subscription = atom.packages.onDidTriggerActivationHook(
+      'language-javascript:grammar-used', () => {}
+    );
 
     // Package system data
     str = atom.packages.getApmPath();
@@ -2922,6 +2931,15 @@ function testTextEditor() {
     // TextEditor Rendering
     str = editor.getPlaceholderText();
     editor.setPlaceholderText("Test");
+
+    range = editor.bufferRangeForScopeAtPosition('source.js', [0, 0]);
+    range = editor.bufferRangeForScopeAtPosition('source.js', {row: 10, column: 11});
+    range = editor.bufferRangeForScopeAtPosition('source.js', pos);
+
+    let token: {value: string, scopes: string[]};
+    token = editor.tokenForBufferPosition([5, 6]);
+    token = editor.tokenForBufferPosition({row: 0, column: 1});
+    token = editor.tokenForBufferPosition(pos);
 }
 
 // ThemeManager ===============================================================
diff --git a/types/atom/index.d.ts b/types/atom/index.d.ts
index a7398cba18..24b24c9423 100644
--- a/types/atom/index.d.ts
+++ b/types/atom/index.d.ts
@@ -238,6 +238,9 @@ export interface AtomEnvironment {
 
     /** Execute code in dev tools. */
     executeJavaScriptInDevTools(code: string): void;
+
+    /** Undocumented: get Atom config directory path */
+    getConfigDirPath(): string;
 }
 
 /**
@@ -2379,6 +2382,12 @@ export class TextEditor {
      *  displayed when the editor has no content.
      */
     setPlaceholderText(placeholderText: string): void;
+
+    /** Undocumented: Buffer range for syntax scope at position */
+    bufferRangeForScopeAtPosition(scope: string, point: PointCompatible): Range;
+
+    /** Undocumented: Get syntax token at buffer position */
+    tokenForBufferPosition(pos: PointCompatible): {value: string, scopes: string[]};
 }
 
 /** Experimental: This global registry tracks registered TextEditors. */
@@ -3610,7 +3619,10 @@ export class GitRepository {
 /** Grammar that tokenizes lines of text. */
 export interface Grammar {
     /** The name of the Grammar. */
-    name: string;
+    readonly name: string;
+
+    /** Undocumented: scope name of the Grammar. */
+    readonly scopeName: string;
 
     // Event Subscription
     onDidUpdate(callback: () => void): Disposable;
@@ -3938,6 +3950,9 @@ export interface PackageManager {
     /** Invoke the given callback when a package is unloaded. */
     onDidUnloadPackage(callback: (package: Package) => void): Disposable;
 
+    /** Undocumented: invoke the given callback when an activation hook is triggered */
+    onDidTriggerActivationHook(hook: string, callback: () => void): Disposable;
+
     // Package System Data
     /** Get the path to the apm command. */
     getApmPath(): string;