Use case DropdownMenu icons Actually, both icons (leading and trailing) are optional but we can only "hide" leadingIcon by not passing it as parameter, if not passed, there will not be a default leadingIcon. For trailingIcon, there is a ...
'Bob','Carol'];constperson=people.find(name=>name.startsWith(letter));returnhello(person);// This is the error:// Argument of type 'string | undefined' is not assignable to// parameter of type 'string'.// Type 'undefined' is not assignable to type...