Parse returns Info structs describing all of the discovered "artifacts" in the jar.

ValidExt determines if the file name extension is a valid JAR file extension.

MinSize is the absolute minimum size for a jar.

These are sentinel errors that can be used with errors.Is.

These are sentinel errors that can be used with errors.Is.

Header is the magic bytes at the beginning of a jar.

Info reports the discovered information for a jar file.