import java.lang.annotation.Target;

import javax.validation.Constraint;
import javax.validation.Payload;

@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = CronExpressionValidator.class)
public @interface CronExpression {

    String message() default "{org.lastaflute.validator.constraints.CronExpression.message}";

    Class<?>[] groups() default {};

        return delegate.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) throws InvalidVersionSpecificationException {
        return delegate.parseVersionConstraint(constraint);
    }

    static final int CREDENTIAL_TYPE = 2;
    static final int SERVER_CHECKSUM = 6;
    static final int PRIVSVR_CHECKSUM = 7;

    static final int CLIENT_NAME_TYPE = 0xA;
    static final int CONSTRAINT_DELEGATIION_TYPE = 0xB;
    static final int CLIENT_UPN_TYPE = 0xC;
    static final int CLIENT_CLAIMS_TYPE = 0xD;
    static final int DEVICE_INFO_TYPE = 0xE;
    static final int DEVICE_CLAIMS_TYPE = 0xF;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import javax.validation.Constraint;
import javax.validation.Payload;

import org.codelibs.fess.validation.UriTypeValidator.ProtocolType;

@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = UriTypeValidator.class)
public @interface UriType {

    ProtocolType protocolType();

     */
    @Nonnull
    VersionRange parseVersionRange(@Nonnull String range);

    /**
     * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0)".
     *
     * @param constraint the range specification to parse, must not be {@code null}
     * @return the parsed version constraint, never {@code null}
     * @throws VersionParserException if the range specification violates the syntax rules of this scheme
     */

    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) {
        requireNonNull(constraint, "constraint");
        return new DefaultVersionConstraint(versionScheme, constraint);
    }

    static class DefaultVersion implements Version {
        private final VersionScheme versionScheme;

	// ErrDuplicatedKey occurs when there is a unique key constraint violation
	ErrDuplicatedKey = errors.New("duplicated key not allowed")
	// ErrForeignKeyViolated occurs when there is a foreign key constraint violation
	ErrForeignKeyViolated = errors.New("violates foreign key constraint")
	// ErrCheckConstraintViolated occurs when there is a check constraint violation
	ErrCheckConstraintViolated = errors.New("violates check constraint")

type Language struct {
	Code string `gorm:"primarykey"`
	Name string
}

type Coupon struct {
	ID               int              `gorm:"primarykey; size:255"`
	AppliesToProduct []*CouponProduct `gorm:"foreignKey:CouponId;constraint:OnDelete:CASCADE"`
	AmountOff        uint32           `gorm:"column:amount_off"`
	PercentOff       float32          `gorm:"column:percent_off"`
}

type CouponProduct struct {

        <constraint name="dir" within="" contains="" />
      </replaceConfiguration>
      <searchConfiguration name="Use RecursionManager?" text="class $Class$ { &#10;  ThreadLocal&lt;$FieldType$&gt; $FieldName$ = $Init$;&#10;}" recursive="false" caseInsensitive="false" type="JAVA">
        <constraint name="Class" script="&quot;&quot;" within="" contains="" />

        return modelVersionParser.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) {
        return modelVersionParser.parseVersionConstraint(constraint);
    }

    @Override
    public boolean isSnapshot(String version) {
        return modelVersionParser.isSnapshot(version);
    }