/// <reference types="node" />
import * as gax from 'google-gax';
import { Callback, CallOptions, Descriptors, ClientOptions, LROperation, PaginationCallback } from 'google-gax';
import { Transform } from 'stream';
import * as protos from '../../protos/firestore_admin_v1_proto_api';
/**
 *  Operations are created by service `FirestoreAdmin`, but are accessed via
 *  service `google.longrunning.Operations`.
 * @class
 * @memberof v1
 */
export declare class FirestoreAdminClient {
    private _terminated;
    private _opts;
    private _providedCustomServicePath;
    private _gaxModule;
    private _gaxGrpc;
    private _protos;
    private _defaults;
    auth: gax.GoogleAuth;
    descriptors: Descriptors;
    warn: (code: string, message: string, warnType?: string) => void;
    innerApiCalls: {
        [name: string]: Function;
    };
    pathTemplates: {
        [name: string]: gax.PathTemplate;
    };
    operationsClient: gax.OperationsClient;
    firestoreAdminStub?: Promise<{
        [name: string]: Function;
    }>;
    /**
     * Construct an instance of FirestoreAdminClient.
     *
     * @param {object} [options] - The configuration object.
     * The options accepted by the constructor are described in detail
     * in [this document](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#creating-the-client-instance).
     * The common options are:
     * @param {object} [options.credentials] - Credentials object.
     * @param {string} [options.credentials.client_email]
     * @param {string} [options.credentials.private_key]
     * @param {string} [options.email] - Account email address. Required when
     *     using a .pem or .p12 keyFilename.
     * @param {string} [options.keyFilename] - Full path to the a .json, .pem, or
     *     .p12 key downloaded from the Google Developers Console. If you provide
     *     a path to a JSON file, the projectId option below is not necessary.
     *     NOTE: .pem and .p12 require you to specify options.email as well.
     * @param {number} [options.port] - The port on which to connect to
     *     the remote host.
     * @param {string} [options.projectId] - The project ID from the Google
     *     Developer's Console, e.g. 'grape-spaceship-123'. We will also check
     *     the environment variable GCLOUD_PROJECT for your project ID. If your
     *     app is running in an environment which supports
     *     {@link https://developers.google.com/identity/protocols/application-default-credentials Application Default Credentials},
     *     your project ID will be detected automatically.
     * @param {string} [options.apiEndpoint] - The domain name of the
     *     API remote host.
     * @param {gax.ClientConfig} [options.clientConfig] - Client configuration override.
     *     Follows the structure of {@link gapicConfig}.
     * @param {boolean} [options.fallback] - Use HTTP fallback mode.
     *     In fallback mode, a special browser-compatible transport implementation is used
     *     instead of gRPC transport. In browser context (if the `window` object is defined)
     *     the fallback mode is enabled automatically; set `options.fallback` to `false`
     *     if you need to override this behavior.
     */
    constructor(opts?: ClientOptions);
    /**
     * Initialize the client.
     * Performs asynchronous operations (such as authentication) and prepares the client.
     * This function will be called automatically when any class method is called for the
     * first time, but if you need to initialize it before calling an actual method,
     * feel free to call initialize() directly.
     *
     * You can await on this method if you want to make sure the client is initialized.
     *
     * @returns {Promise} A promise that resolves to an authenticated service stub.
     */
    initialize(): Promise<{
        [name: string]: Function;
    }>;
    /**
     * The DNS address for this API service.
     * @returns {string} The DNS address for this service.
     */
    static get servicePath(): string;
    /**
     * The DNS address for this API service - same as servicePath(),
     * exists for compatibility reasons.
     * @returns {string} The DNS address for this service.
     */
    static get apiEndpoint(): string;
    /**
     * The port for this API service.
     * @returns {number} The default port for this service.
     */
    static get port(): number;
    /**
     * The scopes needed to make gRPC calls for every method defined
     * in this service.
     * @returns {string[]} List of default scopes.
     */
    static get scopes(): string[];
    getProjectId(): Promise<string>;
    getProjectId(callback: Callback<string, undefined, undefined>): void;
    getIndex(request?: protos.google.firestore.admin.v1.IGetIndexRequest, options?: CallOptions): Promise<[protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IGetIndexRequest | undefined, {} | undefined]>;
    getIndex(request: protos.google.firestore.admin.v1.IGetIndexRequest, options: CallOptions, callback: Callback<protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IGetIndexRequest | null | undefined, {} | null | undefined>): void;
    getIndex(request: protos.google.firestore.admin.v1.IGetIndexRequest, callback: Callback<protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IGetIndexRequest | null | undefined, {} | null | undefined>): void;
    deleteIndex(request?: protos.google.firestore.admin.v1.IDeleteIndexRequest, options?: CallOptions): Promise<[protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IDeleteIndexRequest | undefined, {} | undefined]>;
    deleteIndex(request: protos.google.firestore.admin.v1.IDeleteIndexRequest, options: CallOptions, callback: Callback<protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IDeleteIndexRequest | null | undefined, {} | null | undefined>): void;
    deleteIndex(request: protos.google.firestore.admin.v1.IDeleteIndexRequest, callback: Callback<protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IDeleteIndexRequest | null | undefined, {} | null | undefined>): void;
    getField(request?: protos.google.firestore.admin.v1.IGetFieldRequest, options?: CallOptions): Promise<[protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IGetFieldRequest | undefined, {} | undefined]>;
    getField(request: protos.google.firestore.admin.v1.IGetFieldRequest, options: CallOptions, callback: Callback<protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IGetFieldRequest | null | undefined, {} | null | undefined>): void;
    getField(request: protos.google.firestore.admin.v1.IGetFieldRequest, callback: Callback<protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IGetFieldRequest | null | undefined, {} | null | undefined>): void;
    createIndex(request?: protos.google.firestore.admin.v1.ICreateIndexRequest, options?: CallOptions): Promise<[LROperation<protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IIndexOperationMetadata>, protos.google.longrunning.IOperation | undefined, {} | undefined]>;
    createIndex(request: protos.google.firestore.admin.v1.ICreateIndexRequest, options: CallOptions, callback: Callback<LROperation<protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IIndexOperationMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    createIndex(request: protos.google.firestore.admin.v1.ICreateIndexRequest, callback: Callback<LROperation<protos.google.firestore.admin.v1.IIndex, protos.google.firestore.admin.v1.IIndexOperationMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    /**
     * Check the status of the long running operation returned by `createIndex()`.
     * @param {String} name
     *   The operation name that will be passed.
     * @returns {Promise} - The promise which resolves to an object.
     *   The decoded operation object has result and metadata field to get information from.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
     *   for more details and examples.
     * @example
     * const decodedOperation = await checkCreateIndexProgress(name);
     * console.log(decodedOperation.result);
     * console.log(decodedOperation.done);
     * console.log(decodedOperation.metadata);
     */
    checkCreateIndexProgress(name: string): Promise<LROperation<protos.google.firestore.admin.v1.Index, protos.google.firestore.admin.v1.IndexOperationMetadata>>;
    updateField(request?: protos.google.firestore.admin.v1.IUpdateFieldRequest, options?: CallOptions): Promise<[LROperation<protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IFieldOperationMetadata>, protos.google.longrunning.IOperation | undefined, {} | undefined]>;
    updateField(request: protos.google.firestore.admin.v1.IUpdateFieldRequest, options: CallOptions, callback: Callback<LROperation<protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IFieldOperationMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    updateField(request: protos.google.firestore.admin.v1.IUpdateFieldRequest, callback: Callback<LROperation<protos.google.firestore.admin.v1.IField, protos.google.firestore.admin.v1.IFieldOperationMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    /**
     * Check the status of the long running operation returned by `updateField()`.
     * @param {String} name
     *   The operation name that will be passed.
     * @returns {Promise} - The promise which resolves to an object.
     *   The decoded operation object has result and metadata field to get information from.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
     *   for more details and examples.
     * @example
     * const decodedOperation = await checkUpdateFieldProgress(name);
     * console.log(decodedOperation.result);
     * console.log(decodedOperation.done);
     * console.log(decodedOperation.metadata);
     */
    checkUpdateFieldProgress(name: string): Promise<LROperation<protos.google.firestore.admin.v1.Field, protos.google.firestore.admin.v1.FieldOperationMetadata>>;
    exportDocuments(request?: protos.google.firestore.admin.v1.IExportDocumentsRequest, options?: CallOptions): Promise<[LROperation<protos.google.firestore.admin.v1.IExportDocumentsResponse, protos.google.firestore.admin.v1.IExportDocumentsMetadata>, protos.google.longrunning.IOperation | undefined, {} | undefined]>;
    exportDocuments(request: protos.google.firestore.admin.v1.IExportDocumentsRequest, options: CallOptions, callback: Callback<LROperation<protos.google.firestore.admin.v1.IExportDocumentsResponse, protos.google.firestore.admin.v1.IExportDocumentsMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    exportDocuments(request: protos.google.firestore.admin.v1.IExportDocumentsRequest, callback: Callback<LROperation<protos.google.firestore.admin.v1.IExportDocumentsResponse, protos.google.firestore.admin.v1.IExportDocumentsMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    /**
     * Check the status of the long running operation returned by `exportDocuments()`.
     * @param {String} name
     *   The operation name that will be passed.
     * @returns {Promise} - The promise which resolves to an object.
     *   The decoded operation object has result and metadata field to get information from.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
     *   for more details and examples.
     * @example
     * const decodedOperation = await checkExportDocumentsProgress(name);
     * console.log(decodedOperation.result);
     * console.log(decodedOperation.done);
     * console.log(decodedOperation.metadata);
     */
    checkExportDocumentsProgress(name: string): Promise<LROperation<protos.google.firestore.admin.v1.ExportDocumentsResponse, protos.google.firestore.admin.v1.ExportDocumentsMetadata>>;
    importDocuments(request?: protos.google.firestore.admin.v1.IImportDocumentsRequest, options?: CallOptions): Promise<[LROperation<protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IImportDocumentsMetadata>, protos.google.longrunning.IOperation | undefined, {} | undefined]>;
    importDocuments(request: protos.google.firestore.admin.v1.IImportDocumentsRequest, options: CallOptions, callback: Callback<LROperation<protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IImportDocumentsMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    importDocuments(request: protos.google.firestore.admin.v1.IImportDocumentsRequest, callback: Callback<LROperation<protos.google.protobuf.IEmpty, protos.google.firestore.admin.v1.IImportDocumentsMetadata>, protos.google.longrunning.IOperation | null | undefined, {} | null | undefined>): void;
    /**
     * Check the status of the long running operation returned by `importDocuments()`.
     * @param {String} name
     *   The operation name that will be passed.
     * @returns {Promise} - The promise which resolves to an object.
     *   The decoded operation object has result and metadata field to get information from.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
     *   for more details and examples.
     * @example
     * const decodedOperation = await checkImportDocumentsProgress(name);
     * console.log(decodedOperation.result);
     * console.log(decodedOperation.done);
     * console.log(decodedOperation.metadata);
     */
    checkImportDocumentsProgress(name: string): Promise<LROperation<protos.google.protobuf.Empty, protos.google.firestore.admin.v1.ImportDocumentsMetadata>>;
    listIndexes(request?: protos.google.firestore.admin.v1.IListIndexesRequest, options?: CallOptions): Promise<[protos.google.firestore.admin.v1.IIndex[], protos.google.firestore.admin.v1.IListIndexesRequest | null, protos.google.firestore.admin.v1.IListIndexesResponse]>;
    listIndexes(request: protos.google.firestore.admin.v1.IListIndexesRequest, options: CallOptions, callback: PaginationCallback<protos.google.firestore.admin.v1.IListIndexesRequest, protos.google.firestore.admin.v1.IListIndexesResponse | null | undefined, protos.google.firestore.admin.v1.IIndex>): void;
    listIndexes(request: protos.google.firestore.admin.v1.IListIndexesRequest, callback: PaginationCallback<protos.google.firestore.admin.v1.IListIndexesRequest, protos.google.firestore.admin.v1.IListIndexesResponse | null | undefined, protos.google.firestore.admin.v1.IIndex>): void;
    /**
     * Equivalent to `method.name.toCamelCase()`, but returns a NodeJS Stream object.
     * @param {Object} request
     *   The request object that will be sent.
     * @param {string} request.parent
     *   Required. A parent name of the form
     *   `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}`
     * @param {string} request.filter
     *   The filter to apply to list results.
     * @param {number} request.pageSize
     *   The number of results to return.
     * @param {string} request.pageToken
     *   A page token, returned from a previous call to
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListIndexes|FirestoreAdmin.ListIndexes}, that may be used to get the next
     *   page of results.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Stream}
     *   An object stream which emits an object representing [Index]{@link google.firestore.admin.v1.Index} on 'data' event.
     *   The client library will perform auto-pagination by default: it will call the API as many
     *   times as needed. Note that it can affect your quota.
     *   We recommend using `listIndexesAsync()`
     *   method described below for async iteration which you can stop as needed.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
     *   for more details and examples.
     */
    listIndexesStream(request?: protos.google.firestore.admin.v1.IListIndexesRequest, options?: CallOptions): Transform;
    /**
     * Equivalent to `listIndexes`, but returns an iterable object.
     *
     * `for`-`await`-`of` syntax is used with the iterable to get response elements on-demand.
     * @param {Object} request
     *   The request object that will be sent.
     * @param {string} request.parent
     *   Required. A parent name of the form
     *   `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}`
     * @param {string} request.filter
     *   The filter to apply to list results.
     * @param {number} request.pageSize
     *   The number of results to return.
     * @param {string} request.pageToken
     *   A page token, returned from a previous call to
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListIndexes|FirestoreAdmin.ListIndexes}, that may be used to get the next
     *   page of results.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Object}
     *   An iterable Object that allows [async iteration](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols).
     *   When you iterate the returned iterable, each element will be an object representing
     *   [Index]{@link google.firestore.admin.v1.Index}. The API will be called under the hood as needed, once per the page,
     *   so you can stop the iteration when you don't need more results.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
     *   for more details and examples.
     * @example
     * const iterable = client.listIndexesAsync(request);
     * for await (const response of iterable) {
     *   // process response
     * }
     */
    listIndexesAsync(request?: protos.google.firestore.admin.v1.IListIndexesRequest, options?: CallOptions): AsyncIterable<protos.google.firestore.admin.v1.IIndex>;
    listFields(request?: protos.google.firestore.admin.v1.IListFieldsRequest, options?: CallOptions): Promise<[protos.google.firestore.admin.v1.IField[], protos.google.firestore.admin.v1.IListFieldsRequest | null, protos.google.firestore.admin.v1.IListFieldsResponse]>;
    listFields(request: protos.google.firestore.admin.v1.IListFieldsRequest, options: CallOptions, callback: PaginationCallback<protos.google.firestore.admin.v1.IListFieldsRequest, protos.google.firestore.admin.v1.IListFieldsResponse | null | undefined, protos.google.firestore.admin.v1.IField>): void;
    listFields(request: protos.google.firestore.admin.v1.IListFieldsRequest, callback: PaginationCallback<protos.google.firestore.admin.v1.IListFieldsRequest, protos.google.firestore.admin.v1.IListFieldsResponse | null | undefined, protos.google.firestore.admin.v1.IField>): void;
    /**
     * Equivalent to `method.name.toCamelCase()`, but returns a NodeJS Stream object.
     * @param {Object} request
     *   The request object that will be sent.
     * @param {string} request.parent
     *   Required. A parent name of the form
     *   `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}`
     * @param {string} request.filter
     *   The filter to apply to list results. Currently,
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields} only supports listing fields
     *   that have been explicitly overridden. To issue this query, call
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields} with the filter set to
     *   `indexConfig.usesAncestorConfig:false`.
     * @param {number} request.pageSize
     *   The number of results to return.
     * @param {string} request.pageToken
     *   A page token, returned from a previous call to
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields}, that may be used to get the next
     *   page of results.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Stream}
     *   An object stream which emits an object representing [Field]{@link google.firestore.admin.v1.Field} on 'data' event.
     *   The client library will perform auto-pagination by default: it will call the API as many
     *   times as needed. Note that it can affect your quota.
     *   We recommend using `listFieldsAsync()`
     *   method described below for async iteration which you can stop as needed.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
     *   for more details and examples.
     */
    listFieldsStream(request?: protos.google.firestore.admin.v1.IListFieldsRequest, options?: CallOptions): Transform;
    /**
     * Equivalent to `listFields`, but returns an iterable object.
     *
     * `for`-`await`-`of` syntax is used with the iterable to get response elements on-demand.
     * @param {Object} request
     *   The request object that will be sent.
     * @param {string} request.parent
     *   Required. A parent name of the form
     *   `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}`
     * @param {string} request.filter
     *   The filter to apply to list results. Currently,
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields} only supports listing fields
     *   that have been explicitly overridden. To issue this query, call
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields} with the filter set to
     *   `indexConfig.usesAncestorConfig:false`.
     * @param {number} request.pageSize
     *   The number of results to return.
     * @param {string} request.pageToken
     *   A page token, returned from a previous call to
     *   {@link google.firestore.admin.v1.FirestoreAdmin.ListFields|FirestoreAdmin.ListFields}, that may be used to get the next
     *   page of results.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Object}
     *   An iterable Object that allows [async iteration](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols).
     *   When you iterate the returned iterable, each element will be an object representing
     *   [Field]{@link google.firestore.admin.v1.Field}. The API will be called under the hood as needed, once per the page,
     *   so you can stop the iteration when you don't need more results.
     *   Please see the
     *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
     *   for more details and examples.
     * @example
     * const iterable = client.listFieldsAsync(request);
     * for await (const response of iterable) {
     *   // process response
     * }
     */
    listFieldsAsync(request?: protos.google.firestore.admin.v1.IListFieldsRequest, options?: CallOptions): AsyncIterable<protos.google.firestore.admin.v1.IField>;
    /**
     * Return a fully-qualified collectionGroup resource name string.
     *
     * @param {string} project
     * @param {string} database
     * @param {string} collection
     * @returns {string} Resource name string.
     */
    collectionGroupPath(project: string, database: string, collection: string): string;
    /**
     * Parse the project from CollectionGroup resource.
     *
     * @param {string} collectionGroupName
     *   A fully-qualified path representing CollectionGroup resource.
     * @returns {string} A string representing the project.
     */
    matchProjectFromCollectionGroupName(collectionGroupName: string): string | number;
    /**
     * Parse the database from CollectionGroup resource.
     *
     * @param {string} collectionGroupName
     *   A fully-qualified path representing CollectionGroup resource.
     * @returns {string} A string representing the database.
     */
    matchDatabaseFromCollectionGroupName(collectionGroupName: string): string | number;
    /**
     * Parse the collection from CollectionGroup resource.
     *
     * @param {string} collectionGroupName
     *   A fully-qualified path representing CollectionGroup resource.
     * @returns {string} A string representing the collection.
     */
    matchCollectionFromCollectionGroupName(collectionGroupName: string): string | number;
    /**
     * Return a fully-qualified database resource name string.
     *
     * @param {string} project
     * @param {string} database
     * @returns {string} Resource name string.
     */
    databasePath(project: string, database: string): string;
    /**
     * Parse the project from Database resource.
     *
     * @param {string} databaseName
     *   A fully-qualified path representing Database resource.
     * @returns {string} A string representing the project.
     */
    matchProjectFromDatabaseName(databaseName: string): string | number;
    /**
     * Parse the database from Database resource.
     *
     * @param {string} databaseName
     *   A fully-qualified path representing Database resource.
     * @returns {string} A string representing the database.
     */
    matchDatabaseFromDatabaseName(databaseName: string): string | number;
    /**
     * Return a fully-qualified field resource name string.
     *
     * @param {string} project
     * @param {string} database
     * @param {string} collection
     * @param {string} field
     * @returns {string} Resource name string.
     */
    fieldPath(project: string, database: string, collection: string, field: string): string;
    /**
     * Parse the project from Field resource.
     *
     * @param {string} fieldName
     *   A fully-qualified path representing Field resource.
     * @returns {string} A string representing the project.
     */
    matchProjectFromFieldName(fieldName: string): string | number;
    /**
     * Parse the database from Field resource.
     *
     * @param {string} fieldName
     *   A fully-qualified path representing Field resource.
     * @returns {string} A string representing the database.
     */
    matchDatabaseFromFieldName(fieldName: string): string | number;
    /**
     * Parse the collection from Field resource.
     *
     * @param {string} fieldName
     *   A fully-qualified path representing Field resource.
     * @returns {string} A string representing the collection.
     */
    matchCollectionFromFieldName(fieldName: string): string | number;
    /**
     * Parse the field from Field resource.
     *
     * @param {string} fieldName
     *   A fully-qualified path representing Field resource.
     * @returns {string} A string representing the field.
     */
    matchFieldFromFieldName(fieldName: string): string | number;
    /**
     * Return a fully-qualified index resource name string.
     *
     * @param {string} project
     * @param {string} database
     * @param {string} collection
     * @param {string} index
     * @returns {string} Resource name string.
     */
    indexPath(project: string, database: string, collection: string, index: string): string;
    /**
     * Parse the project from Index resource.
     *
     * @param {string} indexName
     *   A fully-qualified path representing Index resource.
     * @returns {string} A string representing the project.
     */
    matchProjectFromIndexName(indexName: string): string | number;
    /**
     * Parse the database from Index resource.
     *
     * @param {string} indexName
     *   A fully-qualified path representing Index resource.
     * @returns {string} A string representing the database.
     */
    matchDatabaseFromIndexName(indexName: string): string | number;
    /**
     * Parse the collection from Index resource.
     *
     * @param {string} indexName
     *   A fully-qualified path representing Index resource.
     * @returns {string} A string representing the collection.
     */
    matchCollectionFromIndexName(indexName: string): string | number;
    /**
     * Parse the index from Index resource.
     *
     * @param {string} indexName
     *   A fully-qualified path representing Index resource.
     * @returns {string} A string representing the index.
     */
    matchIndexFromIndexName(indexName: string): string | number;
    /**
     * Terminate the gRPC channel and close the client.
     *
     * The client will no longer be usable and all future behavior is undefined.
     * @returns {Promise} A promise that resolves when the client is closed.
     */
    close(): Promise<void>;
}
