diff --git a/src/bigquery.ts b/src/bigquery.ts
index 298f4a56..dfebd94f 100644
--- a/src/bigquery.ts
+++ b/src/bigquery.ts
@@ -1172,16 +1172,6 @@ export class BigQuery extends common.Service {
     );
   }
 
-  createDataset(
-    id: string,
-    options?: DatasetResource
-  ): Promise<DatasetResponse>;
-  createDataset(
-    id: string,
-    options: DatasetResource,
-    callback: DatasetCallback
-  ): void;
-  createDataset(id: string, callback: DatasetCallback): void;
   /**
    * @callback DatasetCallback
    * @param {?Error} err Request error, if any.
@@ -1219,6 +1209,16 @@ export class BigQuery extends common.Service {
    * });
    * ```
    */
+  createDataset(
+    id: string,
+    options?: DatasetResource
+  ): Promise<DatasetResponse>;
+  createDataset(
+    id: string,
+    options: DatasetResource,
+    callback: DatasetCallback
+  ): void;
+  createDataset(id: string, callback: DatasetCallback): void;
   createDataset(
     id: string,
     optionsOrCallback?: DatasetResource | DatasetCallback,
@@ -1260,8 +1260,6 @@ export class BigQuery extends common.Service {
     );
   }
 
-  createQueryJob(options: Query | string): Promise<JobResponse>;
-  createQueryJob(options: Query | string, callback: JobCallback): void;
   /**
    * @callback JobCallback
    * @param {?Error} err Request error, if any.
@@ -1357,6 +1355,8 @@ export class BigQuery extends common.Service {
    * });
    * ```
    */
+  createQueryJob(options: Query | string): Promise<JobResponse>;
+  createQueryJob(options: Query | string, callback: JobCallback): void;
   createQueryJob(
     opts: Query | string,
     callback?: JobCallback
@@ -1492,8 +1492,6 @@ export class BigQuery extends common.Service {
     this.createJob(reqOpts, callback!);
   }
 
-  createJob(options: JobOptions): Promise<JobResponse>;
-  createJob(options: JobOptions, callback: JobCallback): void;
   /**
    * Creates a job. Typically when creating a job you'll have a very specific
    * task in mind. For this we recommend one of the following methods:
@@ -1553,6 +1551,8 @@ export class BigQuery extends common.Service {
    * });
    * ```
    */
+  createJob(options: JobOptions): Promise<JobResponse>;
+  createJob(options: JobOptions, callback: JobCallback): void;
   createJob(
     options: JobOptions,
     callback?: JobCallback
@@ -1659,9 +1659,6 @@ export class BigQuery extends common.Service {
     return new Dataset(this, id, options);
   }
 
-  getDatasets(options?: GetDatasetsOptions): Promise<DatasetsResponse>;
-  getDatasets(options: GetDatasetsOptions, callback: DatasetsCallback): void;
-  getDatasets(callback: DatasetsCallback): void;
   /**
    * List all or some of the datasets in your project.
    *
@@ -1712,6 +1709,9 @@ export class BigQuery extends common.Service {
    * bigquery.getDatasets().then(function(datasets) {});
    * ```
    */
+  getDatasets(options?: GetDatasetsOptions): Promise<DatasetsResponse>;
+  getDatasets(options: GetDatasetsOptions, callback: DatasetsCallback): void;
+  getDatasets(callback: DatasetsCallback): void;
   getDatasets(
     optionsOrCallback?: GetDatasetsOptions | DatasetsCallback,
     cb?: DatasetsCallback
@@ -1757,9 +1757,6 @@ export class BigQuery extends common.Service {
     );
   }
 
-  getJobs(options?: GetJobsOptions): Promise<GetJobsResponse>;
-  getJobs(options: GetJobsOptions, callback: GetJobsCallback): void;
-  getJobs(callback: GetJobsCallback): void;
   /**
    * @callback GetJobsCallback
    * @param {?Error} err Request error, if any.
@@ -1829,6 +1826,9 @@ export class BigQuery extends common.Service {
    * });
    * ```
    */
+  getJobs(options?: GetJobsOptions): Promise<GetJobsResponse>;
+  getJobs(options: GetJobsOptions, callback: GetJobsCallback): void;
+  getJobs(callback: GetJobsCallback): void;
   getJobs(
     optionsOrCallback?: GetJobsOptions | GetJobsCallback,
     cb?: GetJobsCallback
@@ -1890,20 +1890,6 @@ export class BigQuery extends common.Service {
     return new Job(this, id, options);
   }
 
-  query(query: string, options?: QueryOptions): Promise<QueryRowsResponse>;
-  query(query: Query, options?: QueryOptions): Promise<SimpleQueryRowsResponse>;
-  query(
-    query: string,
-    options: QueryOptions,
-    callback?: QueryRowsCallback
-  ): void;
-  query(
-    query: Query,
-    options: QueryOptions,
-    callback?: SimpleQueryRowsCallback
-  ): void;
-  query(query: string, callback?: QueryRowsCallback): void;
-  query(query: Query, callback?: SimpleQueryRowsCallback): void;
   /**
    * Run a query scoped to your project. For manual pagination please refer to
    * {@link BigQuery#createQueryJob}.
@@ -2021,6 +2007,20 @@ export class BigQuery extends common.Service {
    * });
    * ```
    */
+  query(query: string, options?: QueryOptions): Promise<QueryRowsResponse>;
+  query(query: Query, options?: QueryOptions): Promise<SimpleQueryRowsResponse>;
+  query(
+    query: string,
+    options: QueryOptions,
+    callback?: QueryRowsCallback
+  ): void;
+  query(
+    query: Query,
+    options: QueryOptions,
+    callback?: SimpleQueryRowsCallback
+  ): void;
+  query(query: string, callback?: QueryRowsCallback): void;
+  query(query: Query, callback?: SimpleQueryRowsCallback): void;
   query(
     query: string | Query,
     optionsOrCallback?:
diff --git a/src/dataset.ts b/src/dataset.ts
index 7af5815f..a123eb76 100644
--- a/src/dataset.ts
+++ b/src/dataset.ts
@@ -484,8 +484,6 @@ class Dataset extends ServiceObject {
     this.getTablesStream = paginator.streamify<Table>('getTables');
   }
 
-  createQueryJob(options: string | Query): Promise<JobResponse>;
-  createQueryJob(options: string | Query, callback: JobCallback): void;
   /**
    * Run a query as a job. No results are immediately returned. Instead, your
    * callback will be executed with a {@link Job} object that you must
@@ -498,6 +496,8 @@ class Dataset extends ServiceObject {
    * @param {JobCallback} [callback] See {@link BigQuery#createQueryJob} for full documentation of this method.
    * @returns {Promise<JobResponse>} See {@link BigQuery#createQueryJob} for full documentation of this method.
    */
+  createQueryJob(options: string | Query): Promise<JobResponse>;
+  createQueryJob(options: string | Query, callback: JobCallback): void;
   createQueryJob(
     options: string | Query,
     callback?: JobCallback
@@ -544,12 +544,6 @@ class Dataset extends ServiceObject {
     return this.bigQuery.createQueryStream(options);
   }
 
-  createRoutine(id: string, config: RoutineMetadata): Promise<RoutineResponse>;
-  createRoutine(
-    id: string,
-    config: RoutineMetadata,
-    callback: RoutineCallback
-  ): void;
   /**
    * @callback CreateRoutineCallback
    * @param {?Error} err Request error, if any.
@@ -604,6 +598,12 @@ class Dataset extends ServiceObject {
    * const [routine, apiResponse] = await dataset.createRoutine(id, config);
    * ```
    */
+  createRoutine(id: string, config: RoutineMetadata): Promise<RoutineResponse>;
+  createRoutine(
+    id: string,
+    config: RoutineMetadata,
+    callback: RoutineCallback
+  ): void;
   createRoutine(
     id: string,
     config: RoutineMetadata,
@@ -636,13 +636,6 @@ class Dataset extends ServiceObject {
     );
   }
 
-  createTable(id: string, options: TableMetadata): Promise<TableResponse>;
-  createTable(
-    id: string,
-    options: TableMetadata,
-    callback: TableCallback
-  ): void;
-  createTable(id: string, callback: TableCallback): void;
   /**
    * @callback TableCallback
    * @param {?Error} err Request error, if any.
@@ -698,6 +691,13 @@ class Dataset extends ServiceObject {
    * });
    * ```
    */
+  createTable(id: string, options: TableMetadata): Promise<TableResponse>;
+  createTable(
+    id: string,
+    options: TableMetadata,
+    callback: TableCallback
+  ): void;
+  createTable(id: string, callback: TableCallback): void;
   createTable(
     id: string,
     optionsOrCallback?: TableMetadata | TableCallback,
@@ -737,9 +737,6 @@ class Dataset extends ServiceObject {
     );
   }
 
-  delete(options?: DatasetDeleteOptions): Promise<[Metadata]>;
-  delete(options: DatasetDeleteOptions, callback: DeleteCallback): void;
-  delete(callback: DeleteCallback): void;
   /**
    * @callback DeleteCallback
    * @param {?Error} err Request error, if any.
@@ -785,6 +782,9 @@ class Dataset extends ServiceObject {
    * });
    * ```
    */
+  delete(options?: DatasetDeleteOptions): Promise<[Metadata]>;
+  delete(options: DatasetDeleteOptions, callback: DeleteCallback): void;
+  delete(callback: DeleteCallback): void;
   delete(
     optionsOrCallback?: DeleteCallback | DatasetDeleteOptions,
     callback?: DeleteCallback
@@ -808,9 +808,6 @@ class Dataset extends ServiceObject {
     );
   }
 
-  getModels(options?: GetModelsOptions): Promise<GetModelsResponse>;
-  getModels(options: GetModelsOptions, callback: GetModelsCallback): void;
-  getModels(callback: GetModelsCallback): void;
   /**
    * @typedef {object} GetModelsOptions
    * @property {boolean} [autoPaginate=true] Have pagination handled
@@ -888,6 +885,9 @@ class Dataset extends ServiceObject {
    * });
    * ```
    */
+  getModels(options?: GetModelsOptions): Promise<GetModelsResponse>;
+  getModels(options: GetModelsOptions, callback: GetModelsCallback): void;
+  getModels(callback: GetModelsCallback): void;
   getModels(
     optsOrCb?: GetModelsOptions | GetModelsCallback,
     cb?: GetModelsCallback
@@ -924,9 +924,6 @@ class Dataset extends ServiceObject {
     );
   }
 
-  getRoutines(options?: GetRoutinesOptions): Promise<GetRoutinesResponse>;
-  getRoutines(options: GetRoutinesOptions, callback: GetRoutinesCallback): void;
-  getRoutines(callback: GetRoutinesCallback): void;
   /**
    * @typedef {object} GetRoutinesOptions
    * @property {boolean} [autoPaginate=true] Have pagination handled
@@ -1002,6 +999,9 @@ class Dataset extends ServiceObject {
    * const [routines] = await dataset.getRoutines();
    * ```
    */
+  getRoutines(options?: GetRoutinesOptions): Promise<GetRoutinesResponse>;
+  getRoutines(options: GetRoutinesOptions, callback: GetRoutinesCallback): void;
+  getRoutines(callback: GetRoutinesCallback): void;
   getRoutines(
     optsOrCb?: GetRoutinesOptions | GetRoutinesCallback,
     cb?: GetRoutinesCallback
@@ -1038,9 +1038,6 @@ class Dataset extends ServiceObject {
     );
   }
 
-  getTables(options?: GetTablesOptions): Promise<GetTablesResponse>;
-  getTables(options: GetTablesOptions, callback: GetTablesCallback): void;
-  getTables(callback: GetTablesCallback): void;
   /**
    * @typedef {object} GetTablesOptions
    * @property {boolean} [autoPaginate=true] Have pagination handled
@@ -1118,6 +1115,9 @@ class Dataset extends ServiceObject {
    * });
    * ```
    */
+  getTables(options?: GetTablesOptions): Promise<GetTablesResponse>;
+  getTables(options: GetTablesOptions, callback: GetTablesCallback): void;
+  getTables(callback: GetTablesCallback): void;
   getTables(
     optionsOrCallback?: GetTablesOptions | GetTablesCallback,
     cb?: GetTablesCallback
@@ -1183,10 +1183,6 @@ class Dataset extends ServiceObject {
     return new Model(this, id);
   }
 
-  query(options: Query): Promise<QueryRowsResponse>;
-  query(options: string): Promise<QueryRowsResponse>;
-  query(options: Query, callback: SimpleQueryRowsCallback): void;
-  query(options: string, callback: SimpleQueryRowsCallback): void;
   /**
    * Run a query scoped to your dataset.
    *
@@ -1197,6 +1193,10 @@ class Dataset extends ServiceObject {
    * @returns {Promise<SimpleQueryRowsResponse>}
    * @returns {Promise<QueryRowsResponse>} See {@link BigQuery#query} for full documentation of this method.
    */
+  query(options: Query): Promise<QueryRowsResponse>;
+  query(options: string): Promise<QueryRowsResponse>;
+  query(options: Query, callback: SimpleQueryRowsCallback): void;
+  query(options: string, callback: SimpleQueryRowsCallback): void;
   query(
     options: Query | string,
     callback?: SimpleQueryRowsCallback
diff --git a/src/job.ts b/src/job.ts
index bdac7fec..8b6c49cb 100644
--- a/src/job.ts
+++ b/src/job.ts
@@ -323,8 +323,6 @@ class Job extends Operation {
     );
   }
 
-  cancel(): Promise<CancelResponse>;
-  cancel(callback: CancelCallback): void;
   /**
    * @callback CancelCallback
    * @param {?Error} err Request error, if any.
@@ -368,6 +366,8 @@ class Job extends Operation {
    * });
    * ```
    */
+  cancel(): Promise<CancelResponse>;
+  cancel(callback: CancelCallback): void;
   cancel(callback?: CancelCallback): void | Promise<CancelResponse> {
     let qs;
 
@@ -385,12 +385,6 @@ class Job extends Operation {
     );
   }
 
-  getQueryResults(options?: QueryResultsOptions): Promise<QueryRowsResponse>;
-  getQueryResults(
-    options: QueryResultsOptions,
-    callback: QueryRowsCallback
-  ): void;
-  getQueryResults(callback: QueryRowsCallback): void;
   /**
    * Get the results of a job.
    *
@@ -465,6 +459,12 @@ class Job extends Operation {
    * });
    * ```
    */
+  getQueryResults(options?: QueryResultsOptions): Promise<QueryRowsResponse>;
+  getQueryResults(
+    options: QueryResultsOptions,
+    callback: QueryRowsCallback
+  ): void;
+  getQueryResults(callback: QueryRowsCallback): void;
   getQueryResults(
     optionsOrCallback?: QueryResultsOptions | QueryRowsCallback,
     cb?: QueryRowsCallback
diff --git a/src/model.ts b/src/model.ts
index f95c9c53..0f1ed34a 100644
--- a/src/model.ts
+++ b/src/model.ts
@@ -301,16 +301,6 @@ class Model extends common.ServiceObject {
     this.bigQuery = dataset.bigQuery;
   }
 
-  createExtractJob(
-    destination: string | File,
-    options?: CreateExtractJobOptions
-  ): Promise<JobResponse>;
-  createExtractJob(
-    destination: string | File,
-    options: CreateExtractJobOptions,
-    callback: JobCallback
-  ): void;
-  createExtractJob(destination: string | File, callback: JobCallback): void;
   /**
    * @callback JobCallback
    * @param {?Error} err Request error, if any.
@@ -387,6 +377,16 @@ class Model extends common.ServiceObject {
    * });
    * ```
    */
+  createExtractJob(
+    destination: string | File,
+    options?: CreateExtractJobOptions
+  ): Promise<JobResponse>;
+  createExtractJob(
+    destination: string | File,
+    options: CreateExtractJobOptions,
+    callback: JobCallback
+  ): void;
+  createExtractJob(destination: string | File, callback: JobCallback): void;
   createExtractJob(
     destination: string | File,
     optionsOrCallback?: CreateExtractJobOptions | JobCallback,
@@ -451,16 +451,6 @@ class Model extends common.ServiceObject {
     this.bigQuery.createJob(body, callback!);
   }
 
-  extract(
-    destination: string | File,
-    options?: CreateExtractJobOptions
-  ): Promise<JobMetadataResponse>;
-  extract(
-    destination: string | File,
-    options: CreateExtractJobOptions,
-    callback?: JobMetadataCallback
-  ): void;
-  extract(destination: string | File, callback?: JobMetadataCallback): void;
   /**
    * @callback JobMetadataCallback
    * @param {?Error} err Request error, if any.
@@ -536,6 +526,16 @@ class Model extends common.ServiceObject {
    * });
    * ```
    */
+  extract(
+    destination: string | File,
+    options?: CreateExtractJobOptions
+  ): Promise<JobMetadataResponse>;
+  extract(
+    destination: string | File,
+    options: CreateExtractJobOptions,
+    callback?: JobMetadataCallback
+  ): void;
+  extract(destination: string | File, callback?: JobMetadataCallback): void;
   extract(
     destination: string | File,
     optionsOrCallback?: CreateExtractJobOptions | JobMetadataCallback,
diff --git a/src/table.ts b/src/table.ts
index 01cf4627..d2cb5425 100644
--- a/src/table.ts
+++ b/src/table.ts
@@ -624,16 +624,6 @@ class Table extends common.ServiceObject {
     return body;
   }
 
-  copy(
-    destination: Table,
-    metadata?: CopyTableMetadata
-  ): Promise<JobMetadataResponse>;
-  copy(
-    destination: Table,
-    metadata: CopyTableMetadata,
-    callback: JobMetadataCallback
-  ): void;
-  copy(destination: Table, callback: JobMetadataCallback): void;
   /**
    * @callback JobMetadataCallback
    * @param {?Error} err Request error, if any.
@@ -692,6 +682,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  copy(
+    destination: Table,
+    metadata?: CopyTableMetadata
+  ): Promise<JobMetadataResponse>;
+  copy(
+    destination: Table,
+    metadata: CopyTableMetadata,
+    callback: JobMetadataCallback
+  ): void;
+  copy(destination: Table, callback: JobMetadataCallback): void;
   copy(
     destination: Table,
     metadataOrCallback?: CopyTableMetadata | JobMetadataCallback,
@@ -717,16 +717,6 @@ class Table extends common.ServiceObject {
     );
   }
 
-  copyFrom(
-    sourceTables: Table | Table[],
-    metadata?: CopyTableMetadata
-  ): Promise<JobMetadataResponse>;
-  copyFrom(
-    sourceTables: Table | Table[],
-    metadata: CopyTableMetadata,
-    callback: JobMetadataCallback
-  ): void;
-  copyFrom(sourceTables: Table | Table[], callback: JobMetadataCallback): void;
   /**
    * @callback JobMetadataCallback
    * @param {?Error} err Request error, if any.
@@ -788,6 +778,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  copyFrom(
+    sourceTables: Table | Table[],
+    metadata?: CopyTableMetadata
+  ): Promise<JobMetadataResponse>;
+  copyFrom(
+    sourceTables: Table | Table[],
+    metadata: CopyTableMetadata,
+    callback: JobMetadataCallback
+  ): void;
+  copyFrom(sourceTables: Table | Table[], callback: JobMetadataCallback): void;
   copyFrom(
     sourceTables: Table | Table[],
     metadataOrCallback?: CopyTableMetadata | JobMetadataCallback,
@@ -808,16 +808,6 @@ class Table extends common.ServiceObject {
     });
   }
 
-  createCopyJob(
-    destination: Table,
-    metadata?: CreateCopyJobMetadata
-  ): Promise<JobResponse>;
-  createCopyJob(
-    destination: Table,
-    metadata: CreateCopyJobMetadata,
-    callback: JobCallback
-  ): void;
-  createCopyJob(destination: Table, callback: JobCallback): void;
   /**
    * Copy data from one table to another, optionally creating that table.
    *
@@ -871,6 +861,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  createCopyJob(
+    destination: Table,
+    metadata?: CreateCopyJobMetadata
+  ): Promise<JobResponse>;
+  createCopyJob(
+    destination: Table,
+    metadata: CreateCopyJobMetadata,
+    callback: JobCallback
+  ): void;
+  createCopyJob(destination: Table, callback: JobCallback): void;
   createCopyJob(
     destination: Table,
     metadataOrCallback?: CreateCopyJobMetadata | JobCallback,
@@ -921,16 +921,6 @@ class Table extends common.ServiceObject {
     this.bigQuery.createJob(body, callback!);
   }
 
-  createCopyFromJob(
-    source: Table | Table[],
-    metadata?: CopyTableMetadata
-  ): Promise<JobResponse>;
-  createCopyFromJob(
-    source: Table | Table[],
-    metadata: CopyTableMetadata,
-    callback: JobCallback
-  ): void;
-  createCopyFromJob(source: Table | Table[], callback: JobCallback): void;
   /**
    * Copy data from multiple tables into this table.
    *
@@ -991,6 +981,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  createCopyFromJob(
+    source: Table | Table[],
+    metadata?: CopyTableMetadata
+  ): Promise<JobResponse>;
+  createCopyFromJob(
+    source: Table | Table[],
+    metadata: CopyTableMetadata,
+    callback: JobCallback
+  ): void;
+  createCopyFromJob(source: Table | Table[], callback: JobCallback): void;
   createCopyFromJob(
     source: Table | Table[],
     metadataOrCallback?: CopyTableMetadata | JobCallback,
@@ -1046,16 +1046,6 @@ class Table extends common.ServiceObject {
     this.bigQuery.createJob(body, callback!);
   }
 
-  createExtractJob(
-    destination: File,
-    options?: CreateExtractJobOptions
-  ): Promise<JobResponse>;
-  createExtractJob(
-    destination: File,
-    options: CreateExtractJobOptions,
-    callback: JobCallback
-  ): void;
-  createExtractJob(destination: File, callback: JobCallback): void;
   /**
    * Export table to Cloud Storage.
    *
@@ -1137,6 +1127,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  createExtractJob(
+    destination: File,
+    options?: CreateExtractJobOptions
+  ): Promise<JobResponse>;
+  createExtractJob(
+    destination: File,
+    options: CreateExtractJobOptions,
+    callback: JobCallback
+  ): void;
+  createExtractJob(destination: File, callback: JobCallback): void;
   createExtractJob(
     destination: File,
     optionsOrCallback?: CreateExtractJobOptions | JobCallback,
@@ -1214,16 +1214,6 @@ class Table extends common.ServiceObject {
     this.bigQuery.createJob(body, callback!);
   }
 
-  createLoadJob(
-    source: string | File,
-    metadata?: JobLoadMetadata
-  ): Promise<JobResponse>;
-  createLoadJob(
-    source: string | File,
-    metadata: JobLoadMetadata,
-    callback: JobCallback
-  ): void;
-  createLoadJob(source: string | File, callback: JobCallback): void;
   /**
    * Load data from a local file or Storage {@link
    * https://googleapis.dev/nodejs/storage/latest/File.html File}.
@@ -1313,6 +1303,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  createLoadJob(
+    source: string | File,
+    metadata?: JobLoadMetadata
+  ): Promise<JobResponse>;
+  createLoadJob(
+    source: string | File,
+    metadata: JobLoadMetadata,
+    callback: JobCallback
+  ): void;
+  createLoadJob(source: string | File, callback: JobCallback): void;
   createLoadJob(
     source: string | File | File[],
     metadataOrCallback?: JobLoadMetadata | JobCallback,
@@ -1424,8 +1424,6 @@ class Table extends common.ServiceObject {
     return this.bigQuery.createJob(body);
   }
 
-  createQueryJob(options: Query): Promise<JobResponse>;
-  createQueryJob(options: Query, callback: JobCallback): void;
   /**
    * Run a query as a job. No results are immediately returned. Instead, your
    * callback will be executed with a {@link Job} object that you must
@@ -1434,6 +1432,8 @@ class Table extends common.ServiceObject {
    *
    * See {@link BigQuery#createQueryJob} for full documentation of this method.
    */
+  createQueryJob(options: Query): Promise<JobResponse>;
+  createQueryJob(options: Query, callback: JobCallback): void;
   createQueryJob(
     options: Query,
     callback?: JobCallback
@@ -1620,16 +1620,6 @@ class Table extends common.ServiceObject {
     return stream;
   }
 
-  extract(
-    destination: File,
-    options?: CreateExtractJobOptions
-  ): Promise<JobMetadataResponse>;
-  extract(
-    destination: File,
-    options: CreateExtractJobOptions,
-    callback?: JobMetadataCallback
-  ): void;
-  extract(destination: File, callback?: JobMetadataCallback): void;
   /**
    * Export table to Cloud Storage.
    *
@@ -1701,6 +1691,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  extract(
+    destination: File,
+    options?: CreateExtractJobOptions
+  ): Promise<JobMetadataResponse>;
+  extract(
+    destination: File,
+    options: CreateExtractJobOptions,
+    callback?: JobMetadataCallback
+  ): void;
+  extract(destination: File, callback?: JobMetadataCallback): void;
   extract(
     destination: File,
     optionsOrCallback?: CreateExtractJobOptions | JobMetadataCallback,
@@ -1721,9 +1721,6 @@ class Table extends common.ServiceObject {
     });
   }
 
-  getRows(options?: GetRowsOptions): Promise<RowsResponse>;
-  getRows(options: GetRowsOptions, callback: RowsCallback): void;
-  getRows(callback: RowsCallback): void;
   /**
    * @callback RowsCallback
    * @param {?Error} err Request error, if any.
@@ -1734,6 +1731,9 @@ class Table extends common.ServiceObject {
    * @typedef {array} RowsResponse
    * @property {array} 0 The rows.
    */
+  getRows(options?: GetRowsOptions): Promise<RowsResponse>;
+  getRows(options: GetRowsOptions, callback: RowsCallback): void;
+  getRows(callback: RowsCallback): void;
 
   /**
    * Retrieves table data from a specified set of rows. The rows are returned to
@@ -1862,16 +1862,6 @@ class Table extends common.ServiceObject {
     );
   }
 
-  insert(
-    rows: RowMetadata | RowMetadata[],
-    options?: InsertRowsOptions
-  ): Promise<InsertRowsResponse>;
-  insert(
-    rows: RowMetadata | RowMetadata[],
-    options: InsertRowsOptions,
-    callback: InsertRowsCallback
-  ): void;
-  insert(rows: RowMetadata | RowMetadata[], callback: InsertRowsCallback): void;
   /**
    * @callback InsertRowsCallback
    * @param {?Error} err Request error, if any.
@@ -2022,6 +2012,16 @@ class Table extends common.ServiceObject {
    *   });
    * ```
    */
+  insert(
+    rows: RowMetadata | RowMetadata[],
+    options?: InsertRowsOptions
+  ): Promise<InsertRowsResponse>;
+  insert(
+    rows: RowMetadata | RowMetadata[],
+    options: InsertRowsOptions,
+    callback: InsertRowsCallback
+  ): void;
+  insert(rows: RowMetadata | RowMetadata[], callback: InsertRowsCallback): void;
   insert(
     rows: RowMetadata | RowMetadata[],
     optionsOrCallback?: InsertRowsOptions | InsertRowsCallback,
@@ -2193,16 +2193,6 @@ class Table extends common.ServiceObject {
     return resp;
   }
 
-  load(
-    source: string | File,
-    metadata?: JobLoadMetadata
-  ): Promise<JobMetadataResponse>;
-  load(
-    source: string | File,
-    metadata: JobLoadMetadata,
-    callback: JobMetadataCallback
-  ): void;
-  load(source: string | File, callback: JobMetadataCallback): void;
   /**
    * Load data from a local file or Storage {@link
    * https://googleapis.dev/nodejs/storage/latest/File.html File}.
@@ -2283,6 +2273,16 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  load(
+    source: string | File,
+    metadata?: JobLoadMetadata
+  ): Promise<JobMetadataResponse>;
+  load(
+    source: string | File,
+    metadata: JobLoadMetadata,
+    callback: JobMetadataCallback
+  ): void;
+  load(source: string | File, callback: JobMetadataCallback): void;
   load(
     source: string | File,
     metadataOrCallback?: JobLoadMetadata | JobMetadataCallback,
@@ -2305,9 +2305,6 @@ class Table extends common.ServiceObject {
     });
   }
 
-  query(query: Query): Promise<SimpleQueryRowsResponse>;
-  query(query: string): Promise<SimpleQueryRowsResponse>;
-  query(query: Query, callback: SimpleQueryRowsCallback): void;
   /**
    * Run a query scoped to your dataset.
    *
@@ -2316,6 +2313,9 @@ class Table extends common.ServiceObject {
    * @param {function} [callback] See {@link BigQuery#query} for full documentation of this method.
    * @returns {Promise<SimpleQueryRowsResponse>}
    */
+  query(query: Query): Promise<SimpleQueryRowsResponse>;
+  query(query: string): Promise<SimpleQueryRowsResponse>;
+  query(query: Query, callback: SimpleQueryRowsCallback): void;
   query(
     query: Query | string,
     callback?: SimpleQueryRowsCallback
@@ -2328,13 +2328,6 @@ class Table extends common.ServiceObject {
     this.dataset.query(query, callback!);
   }
 
-  setMetadata(
-    metadata: SetTableMetadataOptions
-  ): Promise<common.SetMetadataResponse>;
-  setMetadata(
-    metadata: SetTableMetadataOptions,
-    callback: common.ResponseCallback
-  ): void;
   /**
    * Set the metadata on the table.
    *
@@ -2380,6 +2373,13 @@ class Table extends common.ServiceObject {
    * });
    * ```
    */
+  setMetadata(
+    metadata: SetTableMetadataOptions
+  ): Promise<common.SetMetadataResponse>;
+  setMetadata(
+    metadata: SetTableMetadataOptions,
+    callback: common.ResponseCallback
+  ): void;
   setMetadata(
     metadata: SetTableMetadataOptions,
     callback?: common.ResponseCallback
@@ -2388,14 +2388,14 @@ class Table extends common.ServiceObject {
     super.setMetadata(body, callback!);
   }
 
-  getIamPolicy(
-    optionsOrCallback?: GetPolicyOptions | PolicyCallback
-  ): Promise<PolicyResponse>;
-  getIamPolicy(options: GetPolicyOptions, callback: PolicyCallback): void;
   /**
    * Run a query scoped to your dataset.
    * @returns {Promise<PolicyResponse>}
    */
+  getIamPolicy(
+    optionsOrCallback?: GetPolicyOptions | PolicyCallback
+  ): Promise<PolicyResponse>;
+  getIamPolicy(options: GetPolicyOptions, callback: PolicyCallback): void;
   getIamPolicy(
     optionsOrCallback?: GetPolicyOptions,
     cb?: PolicyCallback
@@ -2430,6 +2430,10 @@ class Table extends common.ServiceObject {
     );
   }
 
+  /**
+   * Run a query scoped to your dataset.
+   * @returns {Promise<PolicyResponse>}
+   */
   setIamPolicy(
     policy: Policy,
     options?: SetPolicyOptions
@@ -2440,10 +2444,6 @@ class Table extends common.ServiceObject {
     callback: PolicyCallback
   ): void;
   setIamPolicy(policy: Policy, callback: PolicyCallback): void;
-  /**
-   * Run a query scoped to your dataset.
-   * @returns {Promise<PolicyResponse>}
-   */
   setIamPolicy(
     policy: Policy,
     optionsOrCallback?: SetPolicyOptions | PolicyCallback,
@@ -2476,6 +2476,10 @@ class Table extends common.ServiceObject {
     );
   }
 
+  /**
+   * Run a query scoped to your dataset.
+   * @returns {Promise<PermissionsResponse>}
+   */
   testIamPermissions(
     permissions: string | string[]
   ): Promise<PermissionsResponse>;
@@ -2483,10 +2487,6 @@ class Table extends common.ServiceObject {
     permissions: string | string[],
     callback: PermissionsCallback
   ): void;
-  /**
-   * Run a query scoped to your dataset.
-   * @returns {Promise<PermissionsResponse>}
-   */
   testIamPermissions(
     permissions: string | string[],
     callback?: PermissionsCallback