*
   * @throws IllegalStateException if multiple charset values have been set for this media type
   * @throws IllegalCharsetNameException if a charset value is present, but illegal
   * @throws UnsupportedCharsetException if a charset value is present, but no support is available
   *     in this instance of the Java virtual machine
   */
  public Optional<Charset> charset() {

		<profile>
			<id>build</id>
			<activation>
				<activeByDefault>true</activeByDefault>
			</activation>
			<properties>
				<test.include.path>**/*Test.java</test.include.path>
				<test.command.args>--illegal-access=permit</test.command.args>
			</properties>
		</profile>
		<profile>
			<id>integrationTests</id>
			<properties>
				<test.include.path>**/*Tests.java</test.include.path>
				<test.command.args />

	}

}

type reader struct{ io.Reader }
type readSeeker struct{ io.ReadSeeker }
type readBadSeeker struct{ io.ReadSeeker }

func (rbs *readBadSeeker) Seek(int64, int) (int64, error) { return 0, fmt.Errorf("illegal seek") }

// TestReadTruncation test the ending condition on various truncated files and
// that truncated files are still detected even if the underlying io.Reader
// satisfies io.Seeker.

   *
   * @throws IllegalStateException if multiple charset values have been set for this media type
   * @throws IllegalCharsetNameException if a charset value is present, but illegal
   * @throws UnsupportedCharsetException if a charset value is present, but no support is available
   *     in this instance of the Java virtual machine
   */
  public Optional<Charset> charset() {

 *
 * {@snippet :
 * void exampleBadCaller() {
 *   double d = sqrt(-1.0);
 * }
 * }
 *
 * <p>would be flagged as having called {@code sqrt()} with an illegal argument.
 *
 * <h3>Performance</h3>
 *
 * <p>Avoid passing message arguments that are expensive to compute; your code will always compute

 * <td>
 * A prototypical example that uses all the fields.
 * </td>
 * </tr>
 *
 * <tr>
 * <td >
 * <code>smb://server/share/path/to/dir &lt;-- ILLEGAL </code></td>
 * <td>
 * URLs that represent servers, shares, or directories require a trailing slash '/'.
 * </td>
 * </tr>
 *
 * </table>
 *
 * <p>

pkg go/token, const GO Token
pkg go/token, const GOTO Token
pkg go/token, const GTR Token
pkg go/token, const HighestPrec ideal-int
pkg go/token, const IDENT Token
pkg go/token, const IF Token
pkg go/token, const ILLEGAL Token
pkg go/token, const IMAG Token
pkg go/token, const IMPORT Token
pkg go/token, const INC Token
pkg go/token, const INT Token
pkg go/token, const INTERFACE Token
pkg go/token, const LAND Token

pkg go/token, const GO = 72
pkg go/token, const GOTO = 73
pkg go/token, const GTR = 41
pkg go/token, const HighestPrec = 7
pkg go/token, const IDENT = 4
pkg go/token, const IF = 74
pkg go/token, const ILLEGAL = 0
pkg go/token, const IMAG = 7
pkg go/token, const IMPORT = 75
pkg go/token, const INC = 37
pkg go/token, const INT = 5
pkg go/token, const INTERFACE = 76
pkg go/token, const LAND = 34