code: public UpdateAuthorizerRequest withProviderArns(String... providerArns) {
          if (this.providerArns == null) {
              setProviderArns(new java.util.ArrayList<String>(providerArns.length));
          }
          for (String ele : providerArns) {
              this.providerArns.add(ele);
          }
          return this;
      }
docs: <p>
  For REQUEST authorizer, this is not defined.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setProviderArns(java.util.Collection)} or {@link #withProviderArns(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param providerArns
  For REQUEST authorizer, this is not defined.
  @return Returns a reference to this object so that method calls can be chained together.