src/vs/editor/common/config/editorOptions.ts/EditorEmptySelectionClipboard/constructor
class EditorEmptySelectionClipboard:	constructor() {
		super(
			EditorOption.emptySelectionClipboard, 'emptySelectionClipboard', true,
			{ description: nls.localize('emptySelectionClipboard', "Controls whether copying without a selection copies the current line.") }
		);
	}