default boolean isFile() {
        return false;
    }
Determine whether this resource represents a file in a file system.
<p>A value of {@code true} strongly suggests (but does not guarantee)
that a {link #getFile()} call will succeed.
<p>This is conservatively {@code false} by default.

@since 5.0
see #getFile()
analyzer/src/main/java/nl/basjes/parse/useragent/utils/springframework/core/io/Resource.java