Add, edit, or remove a placeholder on a slide layout

placeholder  API docs for the Placeholder class from the widgets library, for the Dart programming language  When blur , the blurDataURL property will be used as the placeholder If src is an object from a static import and the imported image is jpg , png , webp

Method of setting placeholder text for text-like input fields, to suggest the expected inserted information Usage % of all Placeholder is a special set of characters that represents a variable and is replaced by the actual value programmatically

I'm a bit confused I've found 2 placeholder icons in abandoned refugee camps and not sure what to do with them  Answer Placeholder text must meet a color contrast requirement of at least :1 contrast ratio, or 3:1 contrast ratio if its large (larger than 18pt or 14pt +