From b2db2295eeef1e0721920ca7b2bed2071f72bdcd Mon Sep 17 00:00:00 2001
From: Andy Hanson <anhans@microsoft.com>
Date: Fri, 9 Sep 2016 12:45:21 -0700
Subject: [PATCH] Document `endOfChain`

---
 src/compiler/checker.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 5020fd4835..5a5d7ee786 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -2066,6 +2066,7 @@ namespace ts {
                 // up front (for example, during checking) could determine if we need to emit the imports
                 // and we could then access that data during declaration emit.
                 writer.trackSymbol(symbol, enclosingDeclaration, meaning);
+                /** @param endOfChain Set to false for recursive calls; non-recursive calls should always output something. */
                 function walkSymbol(symbol: Symbol, meaning: SymbolFlags, endOfChain: boolean): void {
                     const accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & SymbolFormatFlags.UseOnlyExternalAliasing));