}
            }
        }
    }

    void "module replacement rules are applied to dependency constraints"() {
        given:
        buildFile << """
            dependencies {
                conf 'org:bar:1.0'
                constraints {
                    conf 'org:baz:1.1' //constraint ignored due to replacement rule
                }
                modules {
                    module("org:baz") {

// ~ is accepted as unary operator only permitted in interface type elements
var (
	_ = ~ /* ERROR "cannot use ~ outside of interface or type constraint" */ 0
	_ = ~ /* ERROR "cannot use ~ outside of interface or type constraint" */ "foo"
	_ = ~ /* ERROR "cannot use ~ outside of interface or type constraint" */ i0

            throw new IllegalStateException("Could not parse current Java version", e);
        }
        if (constraint.getRange() == null) {
            return constraint.getVersion().compareTo(current) <= 0;
        }
        return constraint.containsVersion(current);
    }

    /**
     * Attempts to connect to a daemon that matches the given constraint.
     *
     * @return A connection to a matching daemon, or null if none running.
     */
    @Nullable
    DaemonClientConnection maybeConnect(ExplainingSpec<DaemonContext> constraint);

    /**
     * Mark the daemon as unavailable if the client cannot communicate with the daemon.
     *

	// 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")

                                                                 ComponentSelectionReason reason, ModuleVersionResolveException failure) {
        List<Object> key = asList(requested, from, constraint);
        if (!unresolvedDependencies.containsKey(key)) {
            unresolvedDependencies.put(key, new DefaultUnresolvedDependencyResult(requested, constraint, reason, from, failure));
        }

    @Nonnull
    VersionRange parseVersionRange(@Nonnull String range);

    /**
     * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0)".
     *
     * @param constraint the constraint 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
     */

     *
     * <p>
     * Note that no classifier or extension is accepted here.
     * </p>
     *
     * @param dependencyConstraintNotation the dependency constraint notation
     * @return the new dependency constraint
     * @since 8.7
     */
    DependencyConstraint create(CharSequence dependencyConstraintNotation);

    /**
     * Create a {@link DependencyConstraint} from a series of strings.

    }

    def "doesn't create a copy of an already immutable version constraint"() {
        given:
        def v = new DefaultImmutableVersionConstraint('1.0')

        when:
        def c = DefaultImmutableVersionConstraint.of(v)

        then:
        v.is(c)
    }

    def "can convert mutable version constraint to immutable version constraint"() {
        given:

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

type _[a, b] /* ERROR "missing type constraint" */ struct{}
type _[a t, b t, c]  /* ERROR "missing type constraint" */ struct{}
type _ struct {
	t [n]byte
	t[a]
	t[a,]
	t[a, b]
	t[a, b,]
}
type _ struct {
	t [n, /* ERROR "unexpected comma; expecting ]" */ ]byte
}