code: public void setParameters(java.util.Collection<Parameter> parameters) {
          if (parameters == null) {
              this.parameters = null;
              return;
          }
  
          this.parameters = new java.util.ArrayList<Parameter>(parameters);
      }
docs: <p>
  To reset the entire DB parameter group, specify the <code>DBParameterGroup</code> name and
  <code>ResetAllParameters</code> parameters. To reset specific parameters, provide a list of the following:
  <code>ParameterName</code> and <code>ApplyMethod</code>. A maximum of 20 parameters can be modified in a single
  request.
  </p>
  <p>
  Valid Values (for Apply method): <code>pending-reboot</code>
  </p>
  
  @param parameters
  To reset the entire DB parameter group, specify the <code>DBParameterGroup</code> name and
  <code>ResetAllParameters</code> parameters. To reset specific parameters, provide a list of the following:
  <code>ParameterName</code> and <code>ApplyMethod</code>. A maximum of 20 parameters can be modified in a
  single request.</p>
  <p>
  Valid Values (for Apply method): <code>pending-reboot</code>