Macro quote_configured 

quote_configured!() { /* proc-macro */ }

quote_configured! macro is configurable version of quote!.

quote_configured! {
	{
		proc_macro2: ::proc_macro2,
		quote: ::quote,
		core: ::core,	// core crate in std
		quote: ::quote,
		span: ::some_span,
	} =>
	...
};