public UpdateDatasetRequest withSchemaDefinition(SchemaUnion schemaDefinition) {
        setSchemaDefinition(schemaDefinition);
        return this;
    }
<p>
Definition for a schema on a tabular Dataset.
</p>

@param schemaDefinition
       Definition for a schema on a tabular Dataset.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-finspacedata/src/main/java/com/amazonaws/services/finspacedata/model/UpdateDatasetRequest.java