https://openjdk.java.net/ 
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package javax.tools;


Interface for recognizing options.

Author:Peter von der Ahé
Since:1.6
/**
 * Interface for recognizing options.
 *
 * @author Peter von der Ahé
 * @since 1.6
 */
public interface OptionChecker {

    
Determines if the given option is supported and if so, the
number of arguments the option takes.

Params:
  • option – an option
Returns:the number of arguments the given option takes or -1 if
the option is not supported
/**
     * Determines if the given option is supported and if so, the
     * number of arguments the option takes.
     *
     * @param option an option
     * @return the number of arguments the given option takes or -1 if
     * the option is not supported
     */
    int isSupportedOption(String option);

}