Add comment to isGlobalCompletion (#21973)

Author: Andy

src/services/types.ts

@@ -727,6 +727,7 @@ namespace ts {
     }
 
     export interface CompletionInfo {
+        /** Not true for all glboal completions. This will be true if the enclosing scope matches a few syntax kinds. See `isGlobalCompletionScope`. */
         isGlobalCompletion: boolean;
         isMemberCompletion: boolean;
 

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -4490,6 +4490,7 @@ declare namespace ts {
         argumentCount: number;
     }
     interface CompletionInfo {
+        /** Not true for all glboal completions. This will be true if the enclosing scope matches a few syntax kinds. See `isGlobalCompletionScope`. */
         isGlobalCompletion: boolean;
         isMemberCompletion: boolean;
         /**

tests/baselines/reference/api/typescript.d.ts

@@ -4742,6 +4742,7 @@ declare namespace ts {
         argumentCount: number;
     }
     interface CompletionInfo {
+        /** Not true for all glboal completions. This will be true if the enclosing scope matches a few syntax kinds. See `isGlobalCompletionScope`. */
         isGlobalCompletion: boolean;
         isMemberCompletion: boolean;
         /**