call(self, dependencyOrDependencyConstraint, null);
    }

    /**
     * Add a dependency or dependency constraint.
     *
     * @param dependencyOrDependencyConstraint dependency or dependency constraint to add
     * @param configuration an action to configure the dependency or dependency constraint
     */

 */

package org.gradle.integtests.tooling.fixture

import org.gradle.util.GradleVersion
import spock.lang.Specification

class GradleVersionSpecTest extends Specification {
    def "greater-than-or-equal version constraint matches all versions with specified base version and later"() {
        def spec = new GradleVersionSpec().toSpec(">=1.0")

        expect:
        spec.isSatisfiedBy(GradleVersion.version("1.0"))

		insert = p.plusBuild[0]
	}

	var x constraint.Expr
	switch len(p.goBuild) {
	case 0:
		// Synthesize //go:build expression from // +build lines.
		for _, pos := range p.plusBuild {
			y, err := constraint.Parse(p.commentTextAt(pos))
			if err != nil {
				x = nil
				break
			}
			if x == nil {
				x = y
			} else {
				x = &constraint.AndExpr{X: x, Y: y}
			}
		}
	case 1:

    private VersionParserException parseInvalid(String constraint) {
        try {
            versionParser.parseVersionConstraint(constraint);
            fail("expected exception for constraint " + constraint);
            return null;
        } catch (VersionParserException e) {
            return e;
        }
    }

    @Test

     */
    @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;

				}

				// If the constraint contains an @ then
				// it specifies an exact mailbox name.
				if strings.Contains(constraint, "@") {
					if _, ok := parseRFC2821Mailbox(constraint); !ok {
						return nil, nil, nil, nil, fmt.Errorf("x509: failed to parse rfc822Name constraint %q", constraint)
					}
				} else {
					// Otherwise it's a domain name.

			implicit = r.bool()
		}
		constraint := r.typ()
		if implicit {
			iface, _ := constraint.(*types.Interface)
			if iface == nil {
				errorf("non-interface constraint marked implicit")
			}
			iface.MarkImplicit()
		}
		// The constraint type may not be complete, if we
		// are in the middle of a type recursion involving type
		// constraints. So, we defer SetConstraint until we have

    }

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

    static class DefaultVersion implements Version {
        private final VersionScheme versionScheme;

// is called through an exported API call such as AssignableTo. If constraint
// is set, T is a type constraint.
//
// If the provided cause is non-nil, it may be set to an error string
// explaining why V does not implement (or satisfy, for constraints) T.
func (check *Checker) implements(pos token.Pos, V, T Type, constraint bool, cause *string) bool {
	Vu := under(V)
	Tu := under(T)