src/main/java/grpc/gateway/protoc_gen_swagger/options/Openapiv2.java
public Builder clearDiscriminator() {
        
        discriminator_ = getDefaultInstance().getDiscriminator();
        onChanged();
        return this;
      }
/**
       * <pre>
       * Adds support for polymorphism. The discriminator is the schema property
       * name that is used to differentiate between other schema that inherit this
       * schema. The property name used MUST be defined at this schema and it MUST
       * be in the required property list. When used, the value MUST be the name of
       * this schema or any schema that inherits it.
       * </pre>
       *
       * <code>string discriminator = 2;</code>
       * @return This builder for chaining.
       */

Adds support for polymorphism. The discriminator is the schema property
name that is used to differentiate between other schema that inherit this
schema. The property name used MUST be defined at this schema and it MUST
be in the required property list. When used, the value MUST be the name of
this schema or any schema that inherits it.

string discriminator = 2;
@return This builder for chaining.
Adds support for polymorphism . The discriminator is the schema property name that is used to differentiate between other schema that inherit this schema . The property name used MUST be defined at this schema and it MUST be in the required property list . When used the value MUST be the name of this schema or any schema that inherits it . string discriminator = 2 ; @return This builder for chaining .
public Builder clearDiscriminator() {
        discriminator_ = getDefaultInstance().getDiscriminator();
        onChanged();
        return this;
      }
public Builder clearDiscriminator ( ) { discriminator_ = getDefaultInstance ( ) . getDiscriminator ( ) ; onChanged ( ) ; return this ; }
<pre>
 Adds support for polymorphism.
<pre > Adds support for polymorphism .