Which of the following are ways to avoid violating the one$-$definition rule? Select all that apply.PICK ONE OR MORE optionsavoid using namespace declarations at global scope in header filesif a function is declared in Foo.h$,$ define the function Foo.cppmark free, non$-$templated functions that are defined in header files with the inline keywordnever define a templated function and a non$-$templated function in the same namespace with the same name$10$declare global constants as either extern or constexpr inline$11$prefix macros with a custom sequence, such as a project slug or the author's initials