wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php:780Gets the list of collection params.
array[] public function get_collection_params() { return array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), 'sidebar' => array( 'description' => __( 'The sidebar to return widgets for.' ), 'type' => 'string', ), ); }Introduced in 5.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.