The type of OpenApiSchema.Required should be an ISet<string> instead of IList<string>
https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.4.3
The value of this keyword MUST be an array. This array MUST have at
least one element. Elements of this array MUST be strings, and MUST
be unique.
The type of
OpenApiSchema.Requiredshould be anISet<string>instead ofIList<string>https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.4.3
The value of this keyword MUST be an array. This array MUST have at
least one element. Elements of this array MUST be strings, and MUST
be unique.