try {
            DependencyMetadata dependencyMetadata = selectorState.getDependencyMetadata();
            boolean constraint = dependencyMetadata.isConstraint();
            if (constraint) {
                ComponentSelector selector = dependencyMetadata.getSelector();

			prev := module.Version{Path: r.Path, Version: v}
			if gover.ModCompare(r.Path, v, r.Version) > 0 {
				conflicts = append(conflicts, Conflict{Path: []module.Version{prev}, Constraint: r})
			} else {
				conflicts = append(conflicts, Conflict{Path: []module.Version{r}, Constraint: prev})
			}
			continue
		}

		mustSelectVersion[r.Path] = r.Version
		selectedRoot[r.Path] = r.Version
	}

			}
		case *types.Union:
			for i := 0; i < T.Len(); i++ {
				addType(T.Term(i).Type())
			}
		case *types.TypeParam:
			if !typs[T] {
				typs[T] = true
				addObj(T.Obj())
				addType(T.Constraint())
			}
		}
	}

	for _, imp := range imports {
		packages[imp.Path()] = imp

		scope := imp.Scope()
		for _, name := range scope.Names() {
			addObj(scope.Lookup(name))
		}
	}

    assert(quantizedType &&
           "Converter accepted a type that it did not convert");

    // TODO: Map to a qbarrier with an attribute like [Forced] to signal that
    // this is a forced/hard-coded constraint.
    auto qbarrier = rewriter.create<QuantizeCastOp>(op.getLoc(), quantizedType,
                                                    op.getInputs());
    rewriter.replaceOpWithNewOp<DequantizeCastOp>(op, converter.input_type,

            AbstractExternalModuleDependency externalModuleDependency = (AbstractExternalModuleDependency) platformDependency;
            MutableVersionConstraint constraint = (MutableVersionConstraint) externalModuleDependency.getVersionConstraint();
            constraint.strictly(externalModuleDependency.getVersion());
            platformSupport.addPlatformAttribute(externalModuleDependency, toCategory(Category.ENFORCED_PLATFORM));

    }

    def 'locking constraints are not transitive'() {
        given:
        def constraint = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId('org', 'foo'), '1.1')
        resolutionStrategy.isDependencyLockingEnabled() >> true
        dependencyLockingProvider.loadLockState("conf", _) >> new DefaultDependencyLockingState(true, [constraint] as Set, {entry -> false })

        when:

	FMT, sort
	< internal/gover
	< go/version
	< go/token
	< go/scanner
	< go/ast
	< go/internal/typeparams;

	FMT
	< go/build/constraint;

	FMT, sort
	< go/doc/comment;

	go/internal/typeparams, go/build/constraint
	< go/parser;

	go/doc/comment, go/parser, text/tabwriter
	< go/printer
	< go/format;

	math/big, go/token
	< go/constant;

                    }
                });
            });
        });

        zinc.getDependencyConstraints().add(dependencyHandler.getConstraints().create(Log4jBannedVersion.LOG4J2_CORE_COORDINATES, constraint -> constraint.version(version -> {
            version.require(Log4jBannedVersion.LOG4J2_CORE_REQUIRED_VERSION);
            version.reject(Log4jBannedVersion.LOG4J2_CORE_VULNERABLE_VERSION_RANGE);
        })));

}

// IndexName generate index name
func (ns NamingStrategy) IndexName(table, column string) string {
	return ns.formatName("idx", table, ns.toDBName(column))
}

// UniqueName generate unique constraint name
func (ns NamingStrategy) UniqueName(table, column string) string {
	return ns.formatName("uni", table, ns.toDBName(column))
}

func (ns NamingStrategy) formatName(prefix, table, name string) string {

			t.Fatalf("failed to drop constraint %v, got error %v", name, err)
		}

		if DB.Migrator().HasConstraint(&User{}, name) {
			t.Fatalf("constraint %v should been deleted", name)
		}

		if err := DB.Migrator().CreateConstraint(&User{}, name); err != nil {
			t.Fatalf("failed to create constraint %v, got error %v", name, err)
		}