Service-provider class for file systems.
A file type detector for probing a file to guess its file type.
Only developers who are defining new file system providers or file type detectors should need to make direct use of this package.
Unless otherwise noted, passing a null argument to a constructor
or method in any class or interface in this package will cause a
NullPointerException to be thrown.
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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