PlaceholderReadoutTextField
fun PlaceholderReadoutTextField(label: String, savedText: String, defaultText: String, maxLength: Int, isTextToSpeechAvailable: Boolean, onTextChanged: (String) -> Unit, onPreviewClick: (String) -> Unit, placeholder: String, insertLabel: String, placeholderHint: String, resetContentDescription: String, previewContentDescription: String, selectedContentDescription: String, unavailableText: String, supportingText: String, modifier: ERROR CLASS: Symbol not found for Modifier = Modifier, unknownPlaceholdersText: (currentText: String) -> String? = { null })
保存待ちの入力状態と、プレースホルダーの挿入チップを備えた読み上げ文言入力欄。 文字列は呼び出し側で解決し、unknownPlaceholdersText は保存前の現在の入力から生成する。