}

  static class MeanAndVariance {
    private final double mean;
    private final double variance;

    MeanAndVariance(double mean, double variance) {
      this.mean = mean;
      this.variance = variance;
    }

    @Override
    public int hashCode() {
      return Doubles.hashCode(mean) * 31 + Doubles.hashCode(variance);
    }
  }

  enum VarianceAlgorithm {
    DO_NOT_COMPUTE {
      @Override

        return Map::class.createType(
            arguments = listOf(
                KTypeProjection(
                    variance = KVariance.INVARIANT,
                    type = keyArgument.type?.let(mappingConversionForKeys::convertType)
                ),
                KTypeProjection(
                    variance = KVariance.INVARIANT,
                    type = valueArgument.type?.let(mappingConversionForValues::convertType)
                )

  }

  static class MeanAndVariance {
    private final double mean;
    private final double variance;

    MeanAndVariance(double mean, double variance) {
      this.mean = mean;
      this.variance = variance;
    }

    @Override
    public int hashCode() {
      return Doubles.hashCode(mean) * 31 + Doubles.hashCode(variance);
    }
  }

  enum VarianceAlgorithm {
    DO_NOT_COMPUTE {
      @Override

        ApiTypeUsage(
            sourceName,
            isNullable,
            type(sourceName),
            variance,
            typeArguments.map { apiTypeUsageFor(it.binaryName, variance = it.variance, typeArguments = it.typeArguments) },
            bounds.map { apiTypeUsageFor(it.binaryName, variance = it.variance, typeArguments = it.typeArguments) }
        )
    }


internal
val ApiTypeUsage.isStarProjectionTypeUsage

                typeProjection.projectionKind == Variance.INVARIANT -> {
                    when (typeParameter.variance) {
                        Variance.IN_VARIANCE -> BoundTypeArgument(typeProjection.type, Variance.IN_VARIANCE)
                        Variance.OUT_VARIANCE -> BoundTypeArgument(typeProjection.type, Variance.OUT_VARIANCE)
                        else -> BoundTypeArgument(typeProjection.type, Variance.INVARIANT)
                    }

   * either the {@code x} or {@code y} data must have a non-zero population variance (i.e. {@code
   * xStats().populationVariance() > 0.0 || yStats().populationVariance() > 0.0}). The result is
   * guaranteed to be horizontal if there is variance in the {@code x} data but not the {@code y}
   * data, and vertical if there is variance in the {@code y} data but not the {@code x} data.
   *

        val bindingContext = analysisContext.analyze(psi)
        bindingContext[BindingContext.TYPE_PARAMETER, psi]
    }

    override val variance: Variance
        get() = withValidityAssertion { psi.variance }

    override val upperBounds: List<KtType>
        get() = withValidityAssertion {

            append("*")
        } else {
            when (projection.projectionKind) {
                Variance.INVARIANT -> renderType(projection.type)
                Variance.IN_VARIANCE -> {
                    append("in ")
                    renderType(projection.type)
                }
                Variance.OUT_VARIANCE -> {
                    append("out ")
                    renderType(projection.type)
                }

                token,
            )
        }

        private fun ProjectionKind.toVariance(): Variance = when (this) {
            ProjectionKind.OUT -> Variance.OUT_VARIANCE
            ProjectionKind.IN -> Variance.IN_VARIANCE
            ProjectionKind.INVARIANT -> Variance.INVARIANT
            ProjectionKind.STAR -> error("KtStarProjectionTypeArgument should not be directly created")
        }

   * either the {@code x} or {@code y} data must have a non-zero population variance (i.e. {@code
   * xStats().populationVariance() > 0.0 || yStats().populationVariance() > 0.0}). The result is
   * guaranteed to be horizontal if there is variance in the {@code x} data but not the {@code y}
   * data, and vertical if there is variance in the {@code y} data but not the {@code x} data.
   *