protected Boolean resolveArrayUniqueItems(MemberScope<?, ?> member) {
        if (member.isFakeContainerItemScope()) {
            return null;
        }
        return this.getArraySchemaAnnotation(member)
                .map(ArraySchema::uniqueItems)
                .filter(uniqueItemsFlag -> uniqueItemsFlag)
                .orElse(null);
    }
Determine the given field/method's {@link ArraySchema} annotation is present and is marked as {@code uniqueItems = true}.

@param member potentially annotated field/method
@return whether {@code @ArraySchema(uniqueItems = true)} is present
jsonschema-module-swagger-2/src/main/java/com/github/victools/jsonschema/module/swagger2/Swagger2Module.java