How to use

overwrittenOptionsAllowed

method

in

picocli.CommandLine$Model$ParserSpec

private void printParser(ParserSpec parser, PrintWriter pw, String indent) {
  pw.printf("%sParserSpec:%n", indent);
  indent += "  ";
  pw.printf("%sseparator: '%s'%n", indent, parser.separator());
  pw.printf("%sendOfOptionsDelimiter: '%s'%n", indent, parser.endOfOptionsDelimiter());
  pw.printf("%sexpandAtFiles: %s%n", indent, parser.expandAtFiles());
  pw.printf("%satFileCommentChar: '%s'%n", indent, parser.atFileCommentChar());
  pw.printf("%soverwrittenOptionsAllowed: %s%n", indent, parser.overwrittenOptionsAllowed());
  pw.printf("%sunmatchedArgumentsAllowed: %s%n", indent, parser.unmatchedArgumentsAllowed());
  pw.printf("%sunmatchedOptionsArePositionalParams: %s%n", indent, parser.unmatchedOptionsArePositionalParams());
  pw.printf("%sstopAtUnmatched: %s%n", indent, parser.stopAtUnmatched());
  pw.printf("%sstopAtPositional: %s%n", indent, parser.stopAtPositional());
  pw.printf("%sposixClusteredShortOptionsAllowed: %s%n", indent, parser.posixClusteredShortOptionsAllowed());
  pw.printf("%saritySatisfiedByAttachedOptionParam: %s%n", indent, parser.aritySatisfiedByAttachedOptionParam());
  pw.printf("%scaseInsensitiveEnumValuesAllowed: %s%n", indent, parser.caseInsensitiveEnumValuesAllowed());
  pw.printf("%scollectErrors: %s%n", indent, parser.collectErrors());
  pw.printf("%slimitSplit: %s%n", indent, parser.limitSplit());
  pw.printf("%stoggleBooleanFlags: %s%n", indent, parser.toggleBooleanFlags());
}

/** Sets whether options for single-value fields can be specified multiple times on the command line without a {@link OverwrittenOptionException} being thrown.
 * The default is {@code false}.
 * <p>The specified setting will be registered with this {@code CommandLine} and the full hierarchy of its
 * subcommands and nested sub-subcommands <em>at the moment this method is called</em>. Subcommands added
 * later will have the default setting. To ensure a setting is applied to all
 * subcommands, call the setter last, after adding subcommands.</p>
 * @param newValue the new setting
 * @return this {@code CommandLine} object, to allow method chaining
 * @since 0.9.7
 */
public CommandLine setOverwrittenOptionsAllowed(boolean newValue) {
  getCommandSpec().parser().overwrittenOptionsAllowed(newValue);
  for (CommandLine command : getCommandSpec().subcommands().values()) {
    command.setOverwrittenOptionsAllowed(newValue);
  }
  return this;
}

/** Sets whether options for single-value fields can be specified multiple times on the command line without a {@link OverwrittenOptionException} being thrown.
 * The default is {@code false}.
 * <p>The specified setting will be registered with this {@code CommandLine} and the full hierarchy of its
 * subcommands and nested sub-subcommands <em>at the moment this method is called</em>. Subcommands added
 * later will have the default setting. To ensure a setting is applied to all
 * subcommands, call the setter last, after adding subcommands.</p>
 * @param newValue the new setting
 * @return this {@code CommandLine} object, to allow method chaining
 * @since 0.9.7
 */
public CommandLine setOverwrittenOptionsAllowed(boolean newValue) {
  getCommandSpec().parser().overwrittenOptionsAllowed(newValue);
  for (CommandLine command : getCommandSpec().subcommands().values()) {
    command.setOverwrittenOptionsAllowed(newValue);
  }
  return this;
}

/** Returns whether options for single-value fields can be specified multiple times on the command line.
 * The default is {@code false} and a {@link OverwrittenOptionException} is thrown if this happens.
 * When {@code true}, the last specified value is retained.
 * @return {@code true} if options for single-value fields can be specified multiple times on the command line, {@code false} otherwise
 * @since 0.9.7
 */
public boolean isOverwrittenOptionsAllowed() {
  return getCommandSpec().parser().overwrittenOptionsAllowed();
}

/** Returns whether options for single-value fields can be specified multiple times on the command line.
 * The default is {@code false} and a {@link OverwrittenOptionException} is thrown if this happens.
 * When {@code true}, the last specified value is retained.
 * @return {@code true} if options for single-value fields can be specified multiple times on the command line, {@code false} otherwise
 * @since 0.9.7
 */
public boolean isOverwrittenOptionsAllowed() {
  return getCommandSpec().parser().overwrittenOptionsAllowed();
}