public void setFields(java.util.Collection<DataSourceIntrospectionModelField> fields) {
        if (fields == null) {
            this.fields = null;
            return;
        }

        this.fields = new java.util.ArrayList<DataSourceIntrospectionModelField>(fields);
    }
<p>
The <code>DataSourceIntrospectionModelField</code> object data.
</p>

@param fields
       The <code>DataSourceIntrospectionModelField</code> object data.
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/DataSourceIntrospectionModel.java