ReadonlyArray | typescript - v3.7.7
A function that accepts up to three arguments. The every method calls the callbackfn function for each element in the array until the callbackfn returns a value which is coercible to the Boolean value false, or until the end of the array.
https://microsoft.github.io/PowerBI-JavaScript/interfaces/_node_modules_typedoc_node_modules_typescript_lib_lib_es5_d_.readonlyarray.html
