public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException {
        builder.startObject();
        if (sessionId != null) {
            builder.field(SESSION_ID, sessionId);
        }
        if (ruleId != null) {
            builder.field(RULE_ID, ruleId);
        }
        if (url != null) {
            builder.field(URL, url);
        }
        if (parentUrl != null) {

        executer.withTasks('build').run()

        File buildDir = file('build')

        buildDir.file('classes/java/main').assertHasDescendants(
            'org/gradle/JavaClass.class',
            'org/gradle/JavaClass2.class'
        )
        buildDir.file('classes/groovy/main').assertHasDescendants(
            'org/gradle/GroovyClass.class',

}

// Build build where clause
func (limit Limit) Build(builder Builder) {
	if limit.Limit != nil && *limit.Limit >= 0 {
		builder.WriteString("LIMIT ")
		builder.AddVar(builder, *limit.Limit)
	}
	if limit.Offset > 0 {
		if limit.Limit != nil && *limit.Limit >= 0 {
			builder.WriteByte(' ')
		}
		builder.WriteString("OFFSET ")
		builder.AddVar(builder, limit.Offset)
	}
}

// MergeClause merge order by clauses

        when:
        builder.standardInput = inputStream

        then:
        builder.standardInput == inputStream
        builder.inputHandler instanceof ForwardStdinStreamsHandler
    }

    def handlesCommandLineWithNoArgs() {
        when:
        builder.commandLine('command')

        then:
        builder.executable == 'command'
        builder.args == []
    }

public class BuildOperationExecutorSupport {

    public static Builder builder(int numThreads) {
        return builder(new DefaultWorkerLimits(numThreads));
    }

    public static Builder builder(WorkerLimits workerLimits) {
        return new Builder(workerLimits);
    }

    public static class Builder {
        private final WorkerLimits workerLimits;

            protected void defaultSpec(BuildExperimentSpec.Builder builder) {
                super.defaultSpec(builder)
                builder.workingDirectory = temporaryFolder.testDirectory
            }

            @Override
            protected void configureGradleSpec(GradleBuildExperimentSpec.GradleBuilder builder) {
                super.configureGradleSpec(builder)

}

func (s Select) Name() string {
	return "SELECT"
}

func (s Select) Build(builder Builder) {
	if len(s.Columns) > 0 {
		if s.Distinct {
			builder.WriteString("DISTINCT ")
		}

		for idx, column := range s.Columns {
			if idx > 0 {
				builder.WriteByte(',')
			}
			builder.WriteQuoted(column)
		}
	} else {
		builder.WriteByte('*')
	}
}

func (s Select) MergeClause(clause *Clause) {

    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    builder.setPriority(2); // change the state of the builder
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
  }

    /**
     * Creates a new factory for the given context. Returns a {@link Builder} for further configuration of the created instance. You must provide an Instantiator when creating the child factory from
     * the root one.
     */
    Builder forContext();

    /**
     * Builder to configure an instance of the new factory.
     */
    interface Builder {
        Builder withFileResolver(FileResolver fileResolver);

            builder.append(" at ");
            builder.append(element.getFileName());
            builder.append(':');
            builder.append(element.getLineNumber());
        }
        builder.append('\n');

        if (testLogging.getShowCauses() && exception.getCause() != null) {
            printException(descriptor, exception.getCause(), true, indentLevel + 1, builder);
        }
    }