CLIUsage.hcUsage
struct CLIUsage
enum hcUsage = 
"Available header generation modes:
  =[h|help|?]           List information on all available choices
  =silent               Silently ignore non-exern(C[++]) declarations
  =verbose              Add a comment for ignored non-exern(C[++]) declarations
";
  
		dmd cli CLIUsage 
		manifest constantsstatic functions 
	 
	
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