src/main/java/grpc/gateway/protoc_gen_swagger/options/Openapiv2.java
public Builder clearSwagger() {
        
        swagger_ = getDefaultInstance().getSwagger();
        onChanged();
        return this;
      }
/**
       * <pre>
       * Specifies the Swagger Specification version being used. It can be
       * used by the Swagger UI and other clients to interpret the API listing. The 
       * value MUST be "2.0".
       * </pre>
       *
       * <code>string swagger = 1;</code>
       * @return This builder for chaining.
       */

Specifies the Swagger Specification version being used. It can be
used by the Swagger UI and other clients to interpret the API listing. The
value MUST be "2.0".

string swagger = 1;
@return This builder for chaining.
Specifies the Swagger Specification version being used . It can be used by the Swagger UI and other clients to interpret the API listing . The value MUST be " 2 . 0 " . string swagger = 1 ; @return This builder for chaining .
public Builder clearSwagger() {
        swagger_ = getDefaultInstance().getSwagger();
        onChanged();
        return this;
      }
public Builder clearSwagger ( ) { swagger_ = getDefaultInstance ( ) . getSwagger ( ) ; onChanged ( ) ; return this ; }
<pre>
 Specifies the Swagger Specification version being used.
<pre > Specifies the Swagger Specification version being used .