From c0df6064c50338e8847a18396a14c3c48d3d274e Mon Sep 17 00:00:00 2001
From: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
Date: Sun, 16 Aug 2026 02:34:07 +0000
Subject: [PATCH] feat: update `blas/ext` TypeScript declarations

Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
---
 .../@stdlib/blas/ext/docs/types/index.d.ts    | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/lib/node_modules/@stdlib/blas/ext/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/docs/types/index.d.ts
index 293cbc47e230..b01066afeca1 100644
--- a/lib/node_modules/@stdlib/blas/ext/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/blas/ext/docs/types/index.d.ts
@@ -22,6 +22,7 @@
 
 import base = require( '@stdlib/blas/ext/base' );
 import circshift = require( '@stdlib/blas/ext/circshift' );
+import copyWithin = require( '@stdlib/blas/ext/copy-within' );
 import cusum = require( '@stdlib/blas/ext/cusum' );
 import findIndex = require( '@stdlib/blas/ext/find-index' );
 import findLastIndex = require( '@stdlib/blas/ext/find-last-index' );
@@ -76,6 +77,34 @@ interface Namespace {
 	*/
 	circshift: typeof circshift;
 
+	/**
+	* Performs an in-place copy of elements within an ndarray along an ndarray dimension.
+	*
+	* ## Notes
+	*
+	* -   The input ndarray is copied **in-place** (i.e., the input ndarray is **mutated**).
+	* -   When a `target`, `start`, and/or `end` index is negative, the respective index is determined relative to the last indexed element, with out-of-bounds indices clamped to index bounds.
+	*
+	* @param x - input ndarray
+	* @param target - target index
+	* @param start - source start index (inclusive)
+	* @param end - source end index (exclusive)
+	* @param options - function options
+	* @returns input ndarray
+	*
+	* @example
+	* var array = require( '@stdlib/ndarray/array' );
+	*
+	* var x = array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+	*
+	* var y = ns.copyWithin( x, 3, 1, 4 );
+	* // returns <ndarray>[ 1.0, 2.0, 3.0, 2.0, 3.0, 4.0 ]
+	*
+	* var bool = ( x === y );
+	* // returns true
+	*/
+	copyWithin: typeof copyWithin;
+
 	/**
 	* Computes the cumulative sum along one or more ndarray dimensions.
 	*