DataType.UnitType::class,
    DataType.ConstantType::class,
    DataType.IntDataType::class,
    DataType.LongDataType::class,
    DataType.StringDataType::class,
    DataType.BooleanDataType::class,
    DataClass::class
])
sealed interface DataType : Serializable {

    @ToolingModelContract(subTypes = [
        IntDataType::class,
        LongDataType::class,
        StringDataType::class,

    is DataClass -> right is DataClass && left.name.qualifiedName == right.name.qualifiedName
    is DataType.BooleanDataType -> right is DataType.BooleanDataType
    is DataType.IntDataType -> right is DataType.IntDataType
    is DataType.LongDataType -> right is DataType.LongDataType
    is DataType.StringDataType -> right is DataType.StringDataType
    is DataType.NullType -> right is DataType.NullType

    }

    data class IntLiteral(
        override val value: Int,
        override val sourceData: SourceData
    ) : Literal<Int> {
        override val type: DataType.IntDataType
            get() = DataTypeInternal.DefaultIntDataType
    }

    data class LongLiteral(
        override val value: Long,
        override val sourceData: SourceData
    ) : Literal<Long> {

        assertNotNull(error)
        val reason = error.errorReason
        assertIs<ErrorReason.AssignmentTypeMismatch>(reason)
        assertIs<DataType.StringDataType>(reason.expected)
        assertIs<DataType.IntDataType>(reason.actual)
    }

import kotlinx.serialization.Serializable
import org.gradle.declarative.dsl.schema.DataType


object DataTypeInternal {

    @Serializable
    @SerialName("int")
    data object DefaultIntDataType : DataType.IntDataType {
        override val constantType: Class<Int> = Int::class.java
        override fun toString(): String = "Int"
        private
        fun readResolve(): Any = DefaultIntDataType
    }

    @Serializable