}
    }.toMap()


/**
 * Creates a [Provider] that returns `true` when this [Provider] has a value
 * and `false` otherwise. The returned [Provider] always has a value.
 * @see Provider.isPresent
 */
private
fun <T> Provider<T>.presence(): Provider<Boolean> =
    map { true }.orElse(false)


fun Project.gradleProperty(propertyName: String) = providers.gradleProperty(propertyName)

            val androidStudioPath = studioInstallation.studioInstallLocation.asFile.get().absolutePath
            return "-Dstudio.home=$androidStudioPath"
        } else if (androidStudioHome.isPresent) {
            return "-Dstudio.home=${androidStudioHome.get()}"
        }

        if (!(jApiCompatibility instanceof JApiMethod) || !((JApiMethod) jApiCompatibility).getOldMethod().isPresent()) {
            return Optional.empty();
        }
        JApiMethod jApiMethod = (JApiMethod) jApiCompatibility;

        Set<AccessorKey> seenOldAccessorsOfUpgradedProperties = (Set<AccessorKey>) context.userData[SEEN_OLD_ACCESSORS_OF_UPGRADED_PROPERTIES]
        UpgradedProperties.maybeGetKeyOfOldAccessorOfUpgradedProperty(member, context).ifPresent { seenOldAccessorsOfUpgradedProperties.add(it) }

        def change = new ApiChange(
            context.className,
            Violation.describe(member),
            changes
        )