Lambda(
  Parameter(
    x
    type: System.Nullable`1[Str1]
  )
  body {
    Convert(
      Coalesce(
        Parameter(
          x
          type: System.Nullable`1[Str1]
        )
        Constant(
          True
          type: System.Boolean
        )
        conversion:
          Lambda(
            Parameter(
              CoalesceLHS
              type: System.Nullable`1[Str1]
            )
            body {
              Convert(
                Convert(
                  Convert(
                    Parameter(
                      CoalesceLHS
                      type: System.Nullable`1[Str1]
                    )
                    Lifted
                    type: Str1
                  )
                  method: System.String op_Explicit(Str1) in Str1
                  type: System.String
                )
                method: Boolean ToBoolean(System.String) in Microsoft.VisualBasic.CompilerServices.Conversions
                type: System.Boolean
              )
            }
            return type: System.Boolean
            type: System.Func`2[System.Nullable`1[Str1],System.Boolean]
          )
        type: System.Boolean
      )
      type: System.Object
    )
  }
  return type: System.Object
  type: System.Func`2[System.Nullable`1[Str1],System.Object]
)

Lambda(
  Parameter(
    x
    type: System.Nullable`1[Str1]
  )
  body {
    Convert(
      Coalesce(
        Parameter(
          x
          type: System.Nullable`1[Str1]
        )
        Constant(
          null
          type: System.Nullable`1[Str1]
        )
        type: System.Nullable`1[Str1]
      )
      Lifted
      LiftedToNull
      method: Str2 op_Explicit(Str1) in Str1
      type: System.Nullable`1[Str2]
    )
  }
  return type: System.Nullable`1[Str2]
  type: System.Func`2[System.Nullable`1[Str1],System.Nullable`1[Str2]]
)

Lambda(
  Parameter(
    x
    type: System.Nullable`1[Str1]
  )
  body {
    Convert(
      Convert(
        Coalesce(
          Parameter(
            x
            type: System.Nullable`1[Str1]
          )
          Constant(
            null
            type: System.Nullable`1[Str1]
          )
          type: System.Nullable`1[Str1]
        )
        Lifted
        type: Str1
      )
      method: Str2 op_Explicit(Str1) in Str1
      type: Str2
    )
  }
  return type: Str2
  type: System.Func`2[System.Nullable`1[Str1],Str2]
)

Lambda(
  Parameter(
    x
    type: System.Nullable`1[Str2]
  )
  body {
    Convert(
      Coalesce(
        Parameter(
          x
          type: System.Nullable`1[Str2]
        )
        Constant(
          True
          type: System.Boolean
        )
        conversion:
          Lambda(
            Parameter(
              CoalesceLHS
              type: System.Nullable`1[Str2]
            )
            body {
              Convert(
                Convert(
                  Parameter(
                    CoalesceLHS
                    type: System.Nullable`1[Str2]
                  )
                  method: System.String op_Explicit(System.Nullable`1[Str2]) in Str2
                  type: System.String
                )
                method: Boolean ToBoolean(System.String) in Microsoft.VisualBasic.CompilerServices.Conversions
                type: System.Boolean
              )
            }
            return type: System.Boolean
            type: System.Func`2[System.Nullable`1[Str2],System.Boolean]
          )
        type: System.Boolean
      )
      type: System.Object
    )
  }
  return type: System.Object
  type: System.Func`2[System.Nullable`1[Str2],System.Object]
)