src/vs/editor/contrib/find/findWidget.ts/FindWidget/_onFindInputKeyDown
class FindWidget:	private _onFindInputKeyDown(e: IKeyboardEvent): void {
		if (e.equals(ctrlKeyMod | KeyCode.Enter)) {
			this._findInput.inputBox.insertAtCursor('\n');
			e.preventDefault();
			return;
		}

		if (e.equals(KeyCode.Tab)) {
			if (this._isReplaceVisible) {
				this._replaceInput.focus();
			} else {
				this._findInput.focusOnCaseSensitive();
			}
			e.preventDefault();
			return;
		}

		if (e.equals(KeyMod.CtrlCmd | KeyCode.DownArrow)) {
			this._codeEditor.focus();
			e.preventDefault();
			return;
		}

		if (e.equals(KeyCode.UpArrow)) {
			return stopPropagationForMultiLineUpwards(e, this._findInput.getValue(), this._findInput.domNode.querySelector('textarea'));
		}

		if (e.equals(KeyCode.DownArrow)) {
			return stopPropagationForMultiLineDownwards(e, this._findInput.getValue(), this._findInput.domNode.querySelector('textarea'));
		}
	}