/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { AxiosPromise } from 'axios';
import { GoogleApis } from '../..';
import { BodyResponseCallback, GlobalOptions, MethodOptions } from '../../lib/api';
/**
 * Google Cloud Datastore API
 *
 * Accesses the schemaless NoSQL database to provide fully managed, robust,
 * scalable storage for your application.
 *
 * @example
 * const google = require('googleapis');
 * const datastore = google.datastore('v1beta3');
 *
 * @namespace datastore
 * @type {Function}
 * @version v1beta3
 * @variation v1beta3
 * @param {object=} options Options for Datastore
 */
export declare class Datastore {
    _options: GlobalOptions;
    google: GoogleApis;
    root: this;
    projects: Resource$Projects;
    constructor(options: GlobalOptions, google: GoogleApis);
    getRoot(): this;
}
/**
 * The request for Datastore.AllocateIds.
 */
export interface Schema$AllocateIdsRequest {
    /**
     * A list of keys with incomplete key paths for which to allocate IDs. No key
     * may be reserved/read-only.
     */
    keys: Schema$Key[];
}
/**
 * The response for Datastore.AllocateIds.
 */
export interface Schema$AllocateIdsResponse {
    /**
     * The keys specified in the request (in the same order), each with its key
     * path completed with a newly allocated ID.
     */
    keys: Schema$Key[];
}
/**
 * An array value.
 */
export interface Schema$ArrayValue {
    /**
     * Values in the array. The order of this array may not be preserved if it
     * contains a mix of indexed and unindexed values.
     */
    values: Schema$Value[];
}
/**
 * The request for Datastore.BeginTransaction.
 */
export interface Schema$BeginTransactionRequest {
    /**
     * Options for a new transaction.
     */
    transactionOptions: Schema$TransactionOptions;
}
/**
 * The response for Datastore.BeginTransaction.
 */
export interface Schema$BeginTransactionResponse {
    /**
     * The transaction identifier (always present).
     */
    transaction: string;
}
/**
 * The request for Datastore.Commit.
 */
export interface Schema$CommitRequest {
    /**
     * The type of commit to perform. Defaults to `TRANSACTIONAL`.
     */
    mode: string;
    /**
     * The mutations to perform.  When mode is `TRANSACTIONAL`, mutations
     * affecting a single entity are applied in order. The following sequences of
     * mutations affecting a single entity are not permitted in a single `Commit`
     * request:  - `insert` followed by `insert` - `update` followed by `insert` -
     * `upsert` followed by `insert` - `delete` followed by `update`  When mode is
     * `NON_TRANSACTIONAL`, no two mutations may affect a single entity.
     */
    mutations: Schema$Mutation[];
    /**
     * The identifier of the transaction associated with the commit. A transaction
     * identifier is returned by a call to Datastore.BeginTransaction.
     */
    transaction: string;
}
/**
 * The response for Datastore.Commit.
 */
export interface Schema$CommitResponse {
    /**
     * The number of index entries updated during the commit, or zero if none were
     * updated.
     */
    indexUpdates: number;
    /**
     * The result of performing the mutations. The i-th mutation result
     * corresponds to the i-th mutation in the request.
     */
    mutationResults: Schema$MutationResult[];
}
/**
 * A filter that merges multiple other filters using the given operator.
 */
export interface Schema$CompositeFilter {
    /**
     * The list of filters to combine. Must contain at least one filter.
     */
    filters: Schema$Filter[];
    /**
     * The operator for combining multiple filters.
     */
    op: string;
}
/**
 * A Datastore data object.  An entity is limited to 1 megabyte when stored.
 * That _roughly_ corresponds to a limit of 1 megabyte for the serialized form
 * of this message.
 */
export interface Schema$Entity {
    /**
     * The entity's key.  An entity must have a key, unless otherwise
     * documented (for example, an entity in `Value.entity_value` may have no
     * key). An entity's kind is its key path's last element's kind,
     * or null if it has no key.
     */
    key: Schema$Key;
    /**
     * The entity's properties. The map's keys are property names. A
     * property name matching regex `__.*__` is reserved. A reserved property name
     * is forbidden in certain documented contexts. The name must not contain more
     * than 500 characters. The name cannot be `""`.
     */
    properties: any;
}
/**
 * The result of fetching an entity from Datastore.
 */
export interface Schema$EntityResult {
    /**
     * A cursor that points to the position after the result entity. Set only when
     * the `EntityResult` is part of a `QueryResultBatch` message.
     */
    cursor: string;
    /**
     * The resulting entity.
     */
    entity: Schema$Entity;
    /**
     * The version of the entity, a strictly positive number that monotonically
     * increases with changes to the entity.  This field is set for `FULL` entity
     * results.  For missing entities in `LookupResponse`, this is the version of
     * the snapshot that was used to look up the entity, and it is always set
     * except for eventually consistent reads.
     */
    version: string;
}
/**
 * A holder for any type of filter.
 */
export interface Schema$Filter {
    /**
     * A composite filter.
     */
    compositeFilter: Schema$CompositeFilter;
    /**
     * A filter on a property.
     */
    propertyFilter: Schema$PropertyFilter;
}
/**
 * Metadata common to all Datastore Admin operations.
 */
export interface Schema$GoogleDatastoreAdminV1beta1CommonMetadata {
    /**
     * The time the operation ended, either successfully or otherwise.
     */
    endTime: string;
    /**
     * The client-assigned labels which were provided when the operation was
     * created. May also include additional labels.
     */
    labels: any;
    /**
     * The type of the operation. Can be used as a filter in
     * ListOperationsRequest.
     */
    operationType: string;
    /**
     * The time that work began on the operation.
     */
    startTime: string;
    /**
     * The current state of the Operation.
     */
    state: string;
}
/**
 * Identifies a subset of entities in a project. This is specified as
 * combinations of kinds and namespaces (either or both of which may be all, as
 * described in the following examples). Example usage:  Entire project:
 * kinds=[], namespace_ids=[]  Kinds Foo and Bar in all namespaces:
 * kinds=['Foo', 'Bar'], namespace_ids=[]  Kinds Foo and Bar
 * only in the default namespace:   kinds=['Foo', 'Bar'],
 * namespace_ids=['']  Kinds Foo and Bar in both the default and Baz
 * namespaces:   kinds=['Foo', 'Bar'],
 * namespace_ids=['', 'Baz']  The entire Baz namespace:
 * kinds=[], namespace_ids=['Baz']
 */
export interface Schema$GoogleDatastoreAdminV1beta1EntityFilter {
    /**
     * If empty, then this represents all kinds.
     */
    kinds: string[];
    /**
     * An empty list represents all namespaces. This is the preferred usage for
     * projects that don't use namespaces.  An empty string element represents
     * the default namespace. This should be used if the project has data in
     * non-default namespaces, but doesn't want to include them. Each
     * namespace in this list must be unique.
     */
    namespaceIds: string[];
}
/**
 * Metadata for ExportEntities operations.
 */
export interface Schema$GoogleDatastoreAdminV1beta1ExportEntitiesMetadata {
    /**
     * Metadata common to all Datastore Admin operations.
     */
    common: Schema$GoogleDatastoreAdminV1beta1CommonMetadata;
    /**
     * Description of which entities are being exported.
     */
    entityFilter: Schema$GoogleDatastoreAdminV1beta1EntityFilter;
    /**
     * Location for the export metadata and data files. This will be the same
     * value as the
     * google.datastore.admin.v1beta1.ExportEntitiesRequest.output_url_prefix
     * field. The final output location is provided in
     * google.datastore.admin.v1beta1.ExportEntitiesResponse.output_url.
     */
    outputUrlPrefix: string;
    /**
     * An estimate of the number of bytes processed.
     */
    progressBytes: Schema$GoogleDatastoreAdminV1beta1Progress;
    /**
     * An estimate of the number of entities processed.
     */
    progressEntities: Schema$GoogleDatastoreAdminV1beta1Progress;
}
/**
 * The response for
 * google.datastore.admin.v1beta1.DatastoreAdmin.ExportEntities.
 */
export interface Schema$GoogleDatastoreAdminV1beta1ExportEntitiesResponse {
    /**
     * Location of the output metadata file. This can be used to begin an import
     * into Cloud Datastore (this project or another project). See
     * google.datastore.admin.v1beta1.ImportEntitiesRequest.input_url. Only
     * present if the operation completed successfully.
     */
    outputUrl: string;
}
/**
 * Metadata for ImportEntities operations.
 */
export interface Schema$GoogleDatastoreAdminV1beta1ImportEntitiesMetadata {
    /**
     * Metadata common to all Datastore Admin operations.
     */
    common: Schema$GoogleDatastoreAdminV1beta1CommonMetadata;
    /**
     * Description of which entities are being imported.
     */
    entityFilter: Schema$GoogleDatastoreAdminV1beta1EntityFilter;
    /**
     * The location of the import metadata file. This will be the same value as
     * the google.datastore.admin.v1beta1.ExportEntitiesResponse.output_url field.
     */
    inputUrl: string;
    /**
     * An estimate of the number of bytes processed.
     */
    progressBytes: Schema$GoogleDatastoreAdminV1beta1Progress;
    /**
     * An estimate of the number of entities processed.
     */
    progressEntities: Schema$GoogleDatastoreAdminV1beta1Progress;
}
/**
 * Measures the progress of a particular metric.
 */
export interface Schema$GoogleDatastoreAdminV1beta1Progress {
    /**
     * The amount of work that has been completed. Note that this may be greater
     * than work_estimated.
     */
    workCompleted: string;
    /**
     * An estimate of how much work needs to be performed. May be zero if the work
     * estimate is unavailable.
     */
    workEstimated: string;
}
/**
 * Metadata common to all Datastore Admin operations.
 */
export interface Schema$GoogleDatastoreAdminV1CommonMetadata {
    /**
     * The time the operation ended, either successfully or otherwise.
     */
    endTime: string;
    /**
     * The client-assigned labels which were provided when the operation was
     * created. May also include additional labels.
     */
    labels: any;
    /**
     * The type of the operation. Can be used as a filter in
     * ListOperationsRequest.
     */
    operationType: string;
    /**
     * The time that work began on the operation.
     */
    startTime: string;
    /**
     * The current state of the Operation.
     */
    state: string;
}
/**
 * Identifies a subset of entities in a project. This is specified as
 * combinations of kinds and namespaces (either or both of which may be all, as
 * described in the following examples). Example usage:  Entire project:
 * kinds=[], namespace_ids=[]  Kinds Foo and Bar in all namespaces:
 * kinds=['Foo', 'Bar'], namespace_ids=[]  Kinds Foo and Bar
 * only in the default namespace:   kinds=['Foo', 'Bar'],
 * namespace_ids=['']  Kinds Foo and Bar in both the default and Baz
 * namespaces:   kinds=['Foo', 'Bar'],
 * namespace_ids=['', 'Baz']  The entire Baz namespace:
 * kinds=[], namespace_ids=['Baz']
 */
export interface Schema$GoogleDatastoreAdminV1EntityFilter {
    /**
     * If empty, then this represents all kinds.
     */
    kinds: string[];
    /**
     * An empty list represents all namespaces. This is the preferred usage for
     * projects that don't use namespaces.  An empty string element represents
     * the default namespace. This should be used if the project has data in
     * non-default namespaces, but doesn't want to include them. Each
     * namespace in this list must be unique.
     */
    namespaceIds: string[];
}
/**
 * Metadata for ExportEntities operations.
 */
export interface Schema$GoogleDatastoreAdminV1ExportEntitiesMetadata {
    /**
     * Metadata common to all Datastore Admin operations.
     */
    common: Schema$GoogleDatastoreAdminV1CommonMetadata;
    /**
     * Description of which entities are being exported.
     */
    entityFilter: Schema$GoogleDatastoreAdminV1EntityFilter;
    /**
     * Location for the export metadata and data files. This will be the same
     * value as the
     * google.datastore.admin.v1.ExportEntitiesRequest.output_url_prefix field.
     * The final output location is provided in
     * google.datastore.admin.v1.ExportEntitiesResponse.output_url.
     */
    outputUrlPrefix: string;
    /**
     * An estimate of the number of bytes processed.
     */
    progressBytes: Schema$GoogleDatastoreAdminV1Progress;
    /**
     * An estimate of the number of entities processed.
     */
    progressEntities: Schema$GoogleDatastoreAdminV1Progress;
}
/**
 * The response for google.datastore.admin.v1.DatastoreAdmin.ExportEntities.
 */
export interface Schema$GoogleDatastoreAdminV1ExportEntitiesResponse {
    /**
     * Location of the output metadata file. This can be used to begin an import
     * into Cloud Datastore (this project or another project). See
     * google.datastore.admin.v1.ImportEntitiesRequest.input_url. Only present if
     * the operation completed successfully.
     */
    outputUrl: string;
}
/**
 * Metadata for ImportEntities operations.
 */
export interface Schema$GoogleDatastoreAdminV1ImportEntitiesMetadata {
    /**
     * Metadata common to all Datastore Admin operations.
     */
    common: Schema$GoogleDatastoreAdminV1CommonMetadata;
    /**
     * Description of which entities are being imported.
     */
    entityFilter: Schema$GoogleDatastoreAdminV1EntityFilter;
    /**
     * The location of the import metadata file. This will be the same value as
     * the google.datastore.admin.v1.ExportEntitiesResponse.output_url field.
     */
    inputUrl: string;
    /**
     * An estimate of the number of bytes processed.
     */
    progressBytes: Schema$GoogleDatastoreAdminV1Progress;
    /**
     * An estimate of the number of entities processed.
     */
    progressEntities: Schema$GoogleDatastoreAdminV1Progress;
}
/**
 * Measures the progress of a particular metric.
 */
export interface Schema$GoogleDatastoreAdminV1Progress {
    /**
     * The amount of work that has been completed. Note that this may be greater
     * than work_estimated.
     */
    workCompleted: string;
    /**
     * An estimate of how much work needs to be performed. May be zero if the work
     * estimate is unavailable.
     */
    workEstimated: string;
}
/**
 * A [GQL
 * query](https://cloud.google.com/datastore/docs/apis/gql/gql_reference).
 */
export interface Schema$GqlQuery {
    /**
     * When false, the query string must not contain any literals and instead must
     * bind all values. For example, `SELECT * FROM Kind WHERE a = 'string
     * literal'` is not allowed, while `SELECT * FROM Kind WHERE a = @value`
     * is.
     */
    allowLiterals: boolean;
    /**
     * For each non-reserved named binding site in the query string, there must be
     * a named parameter with that name, but not necessarily the inverse.  Key
     * must match regex `A-Za-z_$*`, must not match regex `__.*__`, and must not
     * be `""`.
     */
    namedBindings: any;
    /**
     * Numbered binding site @1 references the first numbered parameter,
     * effectively using 1-based indexing, rather than the usual 0.  For each
     * binding site numbered i in `query_string`, there must be an i-th numbered
     * parameter. The inverse must also be true.
     */
    positionalBindings: Schema$GqlQueryParameter[];
    /**
     * A string of the format described
     * [here](https://cloud.google.com/datastore/docs/apis/gql/gql_reference).
     */
    queryString: string;
}
/**
 * A binding parameter for a GQL query.
 */
export interface Schema$GqlQueryParameter {
    /**
     * A query cursor. Query cursors are returned in query result batches.
     */
    cursor: string;
    /**
     * A value parameter.
     */
    value: Schema$Value;
}
/**
 * A unique identifier for an entity. If a key's partition ID or any of its
 * path kinds or names are reserved/read-only, the key is reserved/read-only. A
 * reserved/read-only key is forbidden in certain documented contexts.
 */
export interface Schema$Key {
    /**
     * Entities are partitioned into subsets, currently identified by a project ID
     * and namespace ID. Queries are scoped to a single partition.
     */
    partitionId: Schema$PartitionId;
    /**
     * The entity path. An entity path consists of one or more elements composed
     * of a kind and a string or numerical identifier, which identify entities.
     * The first element identifies a _root entity_, the second element identifies
     * a _child_ of the root entity, the third element identifies a child of the
     * second entity, and so forth. The entities identified by all prefixes of the
     * path are called the element's _ancestors_.  An entity path is always
     * fully complete: *all* of the entity's ancestors are required to be in
     * the path along with the entity identifier itself. The only exception is
     * that in some documented cases, the identifier in the last path element (for
     * the entity) itself may be omitted. For example, the last path element of
     * the key of `Mutation.insert` may have no identifier.  A path can never be
     * empty, and a path can have at most 100 elements.
     */
    path: Schema$PathElement[];
}
/**
 * A representation of a kind.
 */
export interface Schema$KindExpression {
    /**
     * The name of the kind.
     */
    name: string;
}
/**
 * An object representing a latitude/longitude pair. This is expressed as a pair
 * of doubles representing degrees latitude and degrees longitude. Unless
 * specified otherwise, this must conform to the <a
 * href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
 * standard</a>. Values must be within normalized ranges.
 */
export interface Schema$LatLng {
    /**
     * The latitude in degrees. It must be in the range [-90.0, +90.0].
     */
    latitude: number;
    /**
     * The longitude in degrees. It must be in the range [-180.0, +180.0].
     */
    longitude: number;
}
/**
 * The request for Datastore.Lookup.
 */
export interface Schema$LookupRequest {
    /**
     * Keys of entities to look up.
     */
    keys: Schema$Key[];
    /**
     * The options for this lookup request.
     */
    readOptions: Schema$ReadOptions;
}
/**
 * The response for Datastore.Lookup.
 */
export interface Schema$LookupResponse {
    /**
     * A list of keys that were not looked up due to resource constraints. The
     * order of results in this field is undefined and has no relation to the
     * order of the keys in the input.
     */
    deferred: Schema$Key[];
    /**
     * Entities found as `ResultType.FULL` entities. The order of results in this
     * field is undefined and has no relation to the order of the keys in the
     * input.
     */
    found: Schema$EntityResult[];
    /**
     * Entities not found as `ResultType.KEY_ONLY` entities. The order of results
     * in this field is undefined and has no relation to the order of the keys in
     * the input.
     */
    missing: Schema$EntityResult[];
}
/**
 * A mutation to apply to an entity.
 */
export interface Schema$Mutation {
    /**
     * The version of the entity that this mutation is being applied to. If this
     * does not match the current version on the server, the mutation conflicts.
     */
    baseVersion: string;
    /**
     * The key of the entity to delete. The entity may or may not already exist.
     * Must have a complete key path and must not be reserved/read-only.
     */
    delete: Schema$Key;
    /**
     * The entity to insert. The entity must not already exist. The entity
     * key's final path element may be incomplete.
     */
    insert: Schema$Entity;
    /**
     * The entity to update. The entity must already exist. Must have a complete
     * key path.
     */
    update: Schema$Entity;
    /**
     * The entity to upsert. The entity may or may not already exist. The entity
     * key's final path element may be incomplete.
     */
    upsert: Schema$Entity;
}
/**
 * The result of applying a mutation.
 */
export interface Schema$MutationResult {
    /**
     * Whether a conflict was detected for this mutation. Always false when a
     * conflict detection strategy field is not set in the mutation.
     */
    conflictDetected: boolean;
    /**
     * The automatically allocated key. Set only when the mutation allocated a
     * key.
     */
    key: Schema$Key;
    /**
     * The version of the entity on the server after processing the mutation. If
     * the mutation doesn't change anything on the server, then the version
     * will be the version of the current entity or, if no entity is present, a
     * version that is strictly greater than the version of any previous entity
     * and less than the version of any possible future entity.
     */
    version: string;
}
/**
 * A partition ID identifies a grouping of entities. The grouping is always by
 * project and namespace, however the namespace ID may be empty.  A partition ID
 * contains several dimensions: project ID and namespace ID.  Partition
 * dimensions:  - May be `""`. - Must be valid UTF-8 bytes. - Must
 * have values that match regex `[A-Za-z\d\.\-_]{1,100}` If the value of any
 * dimension matches regex `__.*__`, the partition is reserved/read-only. A
 * reserved/read-only partition ID is forbidden in certain documented contexts.
 * Foreign partition IDs (in which the project ID does not match the context
 * project ID ) are discouraged. Reads and writes of foreign partition IDs may
 * fail if the project is not in an active state.
 */
export interface Schema$PartitionId {
    /**
     * If not empty, the ID of the namespace to which the entities belong.
     */
    namespaceId: string;
    /**
     * The ID of the project to which the entities belong.
     */
    projectId: string;
}
/**
 * A (kind, ID/name) pair used to construct a key path.  If either name or ID is
 * set, the element is complete. If neither is set, the element is incomplete.
 */
export interface Schema$PathElement {
    /**
     * The auto-allocated ID of the entity. Never equal to zero. Values less than
     * zero are discouraged and may not be supported in the future.
     */
    id: string;
    /**
     * The kind of the entity. A kind matching regex `__.*__` is
     * reserved/read-only. A kind must not contain more than 1500 bytes when UTF-8
     * encoded. Cannot be `""`.
     */
    kind: string;
    /**
     * The name of the entity. A name matching regex `__.*__` is
     * reserved/read-only. A name must not be more than 1500 bytes when UTF-8
     * encoded. Cannot be `""`.
     */
    name: string;
}
/**
 * A representation of a property in a projection.
 */
export interface Schema$Projection {
    /**
     * The property to project.
     */
    property: Schema$PropertyReference;
}
/**
 * A filter on a specific property.
 */
export interface Schema$PropertyFilter {
    /**
     * The operator to filter by.
     */
    op: string;
    /**
     * The property to filter by.
     */
    property: Schema$PropertyReference;
    /**
     * The value to compare the property to.
     */
    value: Schema$Value;
}
/**
 * The desired order for a specific property.
 */
export interface Schema$PropertyOrder {
    /**
     * The direction to order by. Defaults to `ASCENDING`.
     */
    direction: string;
    /**
     * The property to order by.
     */
    property: Schema$PropertyReference;
}
/**
 * A reference to a property relative to the kind expressions.
 */
export interface Schema$PropertyReference {
    /**
     * The name of the property. If name includes "."s, it may be
     * interpreted as a property name path.
     */
    name: string;
}
/**
 * A query for entities.
 */
export interface Schema$Query {
    /**
     * The properties to make distinct. The query results will contain the first
     * result for each distinct combination of values for the given properties (if
     * empty, all results are returned).
     */
    distinctOn: Schema$PropertyReference[];
    /**
     * An ending point for the query results. Query cursors are returned in query
     * result batches and [can only be used to limit the same
     * query](https://cloud.google.com/datastore/docs/concepts/queries#cursors_limits_and_offsets).
     */
    endCursor: string;
    /**
     * The filter to apply.
     */
    filter: Schema$Filter;
    /**
     * The kinds to query (if empty, returns entities of all kinds). Currently at
     * most 1 kind may be specified.
     */
    kind: Schema$KindExpression[];
    /**
     * The maximum number of results to return. Applies after all other
     * constraints. Optional. Unspecified is interpreted as no limit. Must be
     * >= 0 if specified.
     */
    limit: number;
    /**
     * The number of results to skip. Applies before limit, but after all other
     * constraints. Optional. Must be >= 0 if specified.
     */
    offset: number;
    /**
     * The order to apply to the query results (if empty, order is unspecified).
     */
    order: Schema$PropertyOrder[];
    /**
     * The projection to return. Defaults to returning all properties.
     */
    projection: Schema$Projection[];
    /**
     * A starting point for the query results. Query cursors are returned in query
     * result batches and [can only be used to continue the same
     * query](https://cloud.google.com/datastore/docs/concepts/queries#cursors_limits_and_offsets).
     */
    startCursor: string;
}
/**
 * A batch of results produced by a query.
 */
export interface Schema$QueryResultBatch {
    /**
     * A cursor that points to the position after the last result in the batch.
     */
    endCursor: string;
    /**
     * The results for this batch.
     */
    entityResults: Schema$EntityResult[];
    /**
     * The result type for every entity in `entity_results`.
     */
    entityResultType: string;
    /**
     * The state of the query after the current batch.
     */
    moreResults: string;
    /**
     * A cursor that points to the position after the last skipped result. Will be
     * set when `skipped_results` != 0.
     */
    skippedCursor: string;
    /**
     * The number of results skipped, typically because of an offset.
     */
    skippedResults: number;
    /**
     * The version number of the snapshot this batch was returned from. This
     * applies to the range of results from the query's `start_cursor` (or the
     * beginning of the query if no cursor was given) to this batch's
     * `end_cursor` (not the query's `end_cursor`).  In a single transaction,
     * subsequent query result batches for the same query can have a greater
     * snapshot version number. Each batch's snapshot version is valid for all
     * preceding batches. The value will be zero for eventually consistent
     * queries.
     */
    snapshotVersion: string;
}
/**
 * Options specific to read-only transactions.
 */
export interface Schema$ReadOnly {
}
/**
 * The options shared by read requests.
 */
export interface Schema$ReadOptions {
    /**
     * The non-transactional read consistency to use. Cannot be set to `STRONG`
     * for global queries.
     */
    readConsistency: string;
    /**
     * The identifier of the transaction in which to read. A transaction
     * identifier is returned by a call to Datastore.BeginTransaction.
     */
    transaction: string;
}
/**
 * Options specific to read / write transactions.
 */
export interface Schema$ReadWrite {
    /**
     * The transaction identifier of the transaction being retried.
     */
    previousTransaction: string;
}
/**
 * The request for Datastore.ReserveIds.
 */
export interface Schema$ReserveIdsRequest {
    /**
     * If not empty, the ID of the database against which to make the request.
     */
    databaseId: string;
    /**
     * A list of keys with complete key paths whose numeric IDs should not be
     * auto-allocated.
     */
    keys: Schema$Key[];
}
/**
 * The response for Datastore.ReserveIds.
 */
export interface Schema$ReserveIdsResponse {
}
/**
 * The request for Datastore.Rollback.
 */
export interface Schema$RollbackRequest {
    /**
     * The transaction identifier, returned by a call to
     * Datastore.BeginTransaction.
     */
    transaction: string;
}
/**
 * The response for Datastore.Rollback. (an empty message).
 */
export interface Schema$RollbackResponse {
}
/**
 * The request for Datastore.RunQuery.
 */
export interface Schema$RunQueryRequest {
    /**
     * The GQL query to run.
     */
    gqlQuery: Schema$GqlQuery;
    /**
     * Entities are partitioned into subsets, identified by a partition ID.
     * Queries are scoped to a single partition. This partition ID is normalized
     * with the standard default context partition ID.
     */
    partitionId: Schema$PartitionId;
    /**
     * The query to run.
     */
    query: Schema$Query;
    /**
     * The options for this query.
     */
    readOptions: Schema$ReadOptions;
}
/**
 * The response for Datastore.RunQuery.
 */
export interface Schema$RunQueryResponse {
    /**
     * A batch of query results (always present).
     */
    batch: Schema$QueryResultBatch;
    /**
     * The parsed form of the `GqlQuery` from the request, if it was set.
     */
    query: Schema$Query;
}
/**
 * Options for beginning a new transaction.  Transactions can be created
 * explicitly with calls to Datastore.BeginTransaction or implicitly by setting
 * ReadOptions.new_transaction in read requests.
 */
export interface Schema$TransactionOptions {
    /**
     * The transaction should only allow reads.
     */
    readOnly: Schema$ReadOnly;
    /**
     * The transaction should allow both reads and writes.
     */
    readWrite: Schema$ReadWrite;
}
/**
 * A message that can hold any of the supported value types and associated
 * metadata.
 */
export interface Schema$Value {
    /**
     * An array value. Cannot contain another array value. A `Value` instance that
     * sets field `array_value` must not set fields `meaning` or
     * `exclude_from_indexes`.
     */
    arrayValue: Schema$ArrayValue;
    /**
     * A blob value. May have at most 1,000,000 bytes. When `exclude_from_indexes`
     * is false, may have at most 1500 bytes. In JSON requests, must be
     * base64-encoded.
     */
    blobValue: string;
    /**
     * A boolean value.
     */
    booleanValue: boolean;
    /**
     * A double value.
     */
    doubleValue: number;
    /**
     * An entity value.  - May have no key. - May have a key with an incomplete
     * key path. - May have a reserved/read-only key.
     */
    entityValue: Schema$Entity;
    /**
     * If the value should be excluded from all indexes including those defined
     * explicitly.
     */
    excludeFromIndexes: boolean;
    /**
     * A geo point value representing a point on the surface of Earth.
     */
    geoPointValue: Schema$LatLng;
    /**
     * An integer value.
     */
    integerValue: string;
    /**
     * A key value.
     */
    keyValue: Schema$Key;
    /**
     * The `meaning` field should only be populated for backwards compatibility.
     */
    meaning: number;
    /**
     * A null value.
     */
    nullValue: string;
    /**
     * A UTF-8 encoded string value. When `exclude_from_indexes` is false (it is
     * indexed) , may have at most 1500 bytes. Otherwise, may be set to at least
     * 1,000,000 bytes.
     */
    stringValue: string;
    /**
     * A timestamp value. When stored in the Datastore, precise only to
     * microseconds; any additional precision is rounded down.
     */
    timestampValue: string;
}
export declare class Resource$Projects {
    root: Datastore;
    constructor(root: Datastore);
    getRoot(): Datastore;
    /**
     * datastore.projects.allocateIds
     * @desc Allocates IDs for the given keys, which is useful for referencing an
     * entity before it is inserted.
     * @alias datastore.projects.allocateIds
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().AllocateIdsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    allocateIds(params?: any, options?: MethodOptions): AxiosPromise<Schema$AllocateIdsResponse>;
    allocateIds(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$AllocateIdsResponse>, callback?: BodyResponseCallback<Schema$AllocateIdsResponse>): void;
    /**
     * datastore.projects.beginTransaction
     * @desc Begins a new transaction.
     * @alias datastore.projects.beginTransaction
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().BeginTransactionRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    beginTransaction(params?: any, options?: MethodOptions): AxiosPromise<Schema$BeginTransactionResponse>;
    beginTransaction(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$BeginTransactionResponse>, callback?: BodyResponseCallback<Schema$BeginTransactionResponse>): void;
    /**
     * datastore.projects.commit
     * @desc Commits a transaction, optionally creating, deleting or modifying
     * some entities.
     * @alias datastore.projects.commit
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().CommitRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    commit(params?: any, options?: MethodOptions): AxiosPromise<Schema$CommitResponse>;
    commit(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$CommitResponse>, callback?: BodyResponseCallback<Schema$CommitResponse>): void;
    /**
     * datastore.projects.lookup
     * @desc Looks up entities by key.
     * @alias datastore.projects.lookup
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().LookupRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    lookup(params?: any, options?: MethodOptions): AxiosPromise<Schema$LookupResponse>;
    lookup(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$LookupResponse>, callback?: BodyResponseCallback<Schema$LookupResponse>): void;
    /**
     * datastore.projects.reserveIds
     * @desc Prevents the supplied keys' IDs from being auto-allocated by Cloud
     * Datastore.
     * @alias datastore.projects.reserveIds
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().ReserveIdsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    reserveIds(params?: any, options?: MethodOptions): AxiosPromise<Schema$ReserveIdsResponse>;
    reserveIds(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$ReserveIdsResponse>, callback?: BodyResponseCallback<Schema$ReserveIdsResponse>): void;
    /**
     * datastore.projects.rollback
     * @desc Rolls back a transaction.
     * @alias datastore.projects.rollback
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().RollbackRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    rollback(params?: any, options?: MethodOptions): AxiosPromise<Schema$RollbackResponse>;
    rollback(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$RollbackResponse>, callback?: BodyResponseCallback<Schema$RollbackResponse>): void;
    /**
     * datastore.projects.runQuery
     * @desc Queries for entities.
     * @alias datastore.projects.runQuery
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.projectId The ID of the project against which to make the request.
     * @param {().RunQueryRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    runQuery(params?: any, options?: MethodOptions): AxiosPromise<Schema$RunQueryResponse>;
    runQuery(params?: any, options?: MethodOptions | BodyResponseCallback<Schema$RunQueryResponse>, callback?: BodyResponseCallback<Schema$RunQueryResponse>): void;
}