INUIAddVoiceShortcutButtonStyle.black A button with a black background. Declarationcase black See AlsoButton StylesINUIAddVoiceShortcutButtonStyle.blackOutlineINUIAddVoiceShortcutButtonStyle.whiteINUIAddVoiceShortcutButtonStyle.whiteOutlineINUIAddVoiceShortcutButtonStyle.automaticINUIAddVoiceShortcutButtonStyle.automaticOutline