InputBoxOptions  
    Options to configure the behavior of the input box UI.
Properties
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                  Set to true to keep the input box open when focus moves to another part of the editor or to another window. This setting is ignored on iPad and is always false.
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                  An optional string to show as placeholder in the input box to guide the user what to type.
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                  Selection of the pre-filled {@linkcode InputBoxOptions.value value}. Defined as tuple of two number where the first is the inclusive start index and the second the exclusive end index. When undefined the whole pre-filled value will be selected, when empty (start equals end) only the cursor will be set, otherwise the defined range will be selected.