use some computed properties

src/Microsoft.OpenApi/Any/OpenApiBinary.cs

@@ -20,6 +20,6 @@ public OpenApiBinary(byte[] value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Binary;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Binary;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiBoolean.cs

@@ -20,6 +20,6 @@ public OpenApiBoolean(bool value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Boolean;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Boolean;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiByte.cs

@@ -27,6 +27,6 @@ public OpenApiByte(byte[] value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Byte;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Byte;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiDate.cs

@@ -21,6 +21,6 @@ public OpenApiDate(DateTime value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Date;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Date;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiDateTime.cs

@@ -21,6 +21,6 @@ public OpenApiDateTime(DateTimeOffset value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.DateTime;
+        public override PrimitiveType PrimitiveType => PrimitiveType.DateTime;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiDouble.cs

@@ -19,6 +19,6 @@ public OpenApiDouble(double value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Double;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Double;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiFloat.cs

@@ -19,6 +19,6 @@ public OpenApiFloat(float value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Float;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Float;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiInteger.cs

@@ -19,6 +19,6 @@ public OpenApiInteger(int value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Integer;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Integer;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiLong.cs

@@ -19,6 +19,6 @@ public OpenApiLong(long value)
         /// <summary>
         /// Primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Long;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Long;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiPassword.cs

@@ -19,6 +19,6 @@ public OpenApiPassword(string value)
         /// <summary>
         /// The primitive type this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Password;
+        public override PrimitiveType PrimitiveType => PrimitiveType.Password;
     }
 }

src/Microsoft.OpenApi/Any/OpenApiPrimitive.cs

@@ -36,7 +36,7 @@ public OpenApiPrimitive(OpenApiPrimitive<T> openApiPrimitive)
         /// <summary>
         /// The kind of <see cref="IOpenApiAny"/>.
         /// </summary>
-        public AnyType AnyType { get; } = AnyType.Primitive;
+        public AnyType AnyType => AnyType.Primitive;
 
         /// <summary>
         /// The primitive class this object represents.

src/Microsoft.OpenApi/Any/OpenApiString.cs

@@ -47,7 +47,7 @@ public OpenApiString(string value, bool isExplicit, bool isRawString)
         /// <summary>
         /// The primitive class this object represents.
         /// </summary>
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.String;
+        public override PrimitiveType PrimitiveType => PrimitiveType.String;
 
         /// <summary>
         /// True if string was specified explicitly by the means of double quotes, single quotes, or literal or folded style.

src/Microsoft.OpenApi/Expressions/MethodExpression.cs

@@ -16,7 +16,7 @@ public sealed class MethodExpression : RuntimeExpression
         /// <summary>
         /// Gets the expression string.
         /// </summary>
-        public override string Expression { get; } = Method;
+        public override string Expression => Method;
 
         /// <summary>
         /// Private constructor.

src/Microsoft.OpenApi/Expressions/StatusCodeExpression.cs

@@ -16,7 +16,7 @@ public sealed class StatusCodeExpression : RuntimeExpression
         /// <summary>
         /// Gets the expression string.
         /// </summary>
-        public override string Expression { get; } = StatusCode;
+        public override string Expression => StatusCode;
 
         /// <summary>
         /// Private constructor.

src/Microsoft.OpenApi/Expressions/UrlExpression.cs

@@ -16,7 +16,7 @@ public sealed class UrlExpression : RuntimeExpression
         /// <summary>
         /// Gets the expression string.
         /// </summary>
-        public override string Expression { get; } = Url;
+        public override string Expression => Url;
 
         /// <summary>
         /// Private constructor.