private
    lateinit var host: Host

    private
    val loadedSideEffects = mutableListOf<BuildTreeModelSideEffect>()

    private
    val store by lazy { cacheRepository.forKey(cacheKey.string) }

    private
    val lazyBuildTreeModelSideEffects = lazy { BuildTreeModelSideEffectStore(host, cacheIO, store) }

    private

                    forced()
                    byConstraint("belongs to platform org:platform:2.7.9")
                }
                module("org:databind:2.7.9") {
                    forced()
                    byConstraint("belongs to platform org:platform:2.7.9")
                    module('org:annotations:2.7.9') {
                        forced()

    def "allows setting forced modules"() {
        expect:
        strategy.forcedModules.empty

        when:
        strategy.force 'org.foo:bar:1.0', 'org.foo:baz:2.0'

        then:
        def versions = strategy.forcedModules as List
        versions.size() == 2

                        forced()
                    }
                    edge('org:foo:3.1', 'org:foo:3.0') {
                        if (platformType != ENFORCED_PLATFORM) {
                            notRequested()
                            byAncestor()
                        } else {
                            forced()
                        }
                    }

                    selectedByRule()
                    forced()
                    module("org.utils:api:1.3") {
                        selectedByRule()
                        forced()
                    }
                }
            }
        }
    }

    void "rule are applied after forced modules"()
    {

 *     preferProjectModules()
 *
 *     // force certain versions of dependencies (including transitive)
 *     //  *append new forced modules:
 *     force 'asm:asm-all:3.3.1', 'commons-io:commons-io:1.4'
 *     //  *replace existing forced modules with new ones:
 *     forcedModules = ['asm:asm-all:3.3.1']
 *
 *     // add dependency substitution rules

	var lock sync.RWMutex
	var w *cacheWatcher
	count := 0
	filter := func(string, labels.Set, fields.Set) bool { return true }
	forget := func(drainWatcher bool) {
		lock.Lock()
		defer lock.Unlock()
		count++
		// forget() has to stop the watcher, as only stopping the watcher
		// triggers stopping the process() goroutine which we are in the
		// end waiting for in this test.

                            return DaemonStopState.Forced;
                    }
                } catch (InterruptedException e) {
                    throw UncheckedException.throwAsUncheckedException(e);
                }
            }
            LOGGER.debug("Cancel: daemon is still busy after grace period. Will force stop.");

    }
}
"""

        when:
        fails 'resolve'

        then:
        failureHasCause("Did not resolve 'org:test:1.1' which has been forced / substituted to a different version: '1.0'")
    }

    def "fails when a substitute overwrites a locked version"() {
        given:
        mavenRepo.module('org', 'test', '1.0').publish()
        mavenRepo.module('org', 'test', '1.1').publish()

// Miller-Rabin primality test, using pseudo-randomly chosen bases.
// If force2 is true, one of the rounds is forced to use base 2.
// See Handbook of Applied Cryptography, p. 139, Algorithm 4.24.
// The number n is known to be non-zero.
func (n nat) probablyPrimeMillerRabin(reps int, force2 bool) bool {
	nm1 := nat(nil).sub(n, natOne)
	// determine q, k such that nm1 = q << k
	k := nm1.trailingZeroBits()