@interface NSURLFileTypeMappings : NSObject + (id)sharedMappings; - (id)MIMETypeForExtension:(id)a0; - (id)extensionsForMIMEType:(id)a0; - (id)preferredExtensionForMIMEType:(id)a0; @end
@interface NSURLFileTypeMappings : NSObject + (id)sharedMappings; - (id)MIMETypeForExtension:(id)a0; - (id)extensionsForMIMEType:(id)a0; - (id)preferredExtensionForMIMEType:(id)a0; @end