/**
 * Copyright 2024 Google LLC. 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 { Span } from './span';
/**
 * @private
 * @internal
 */
export interface Attributes {
    [attributeKey: string]: AttributeValue | undefined;
}
/**
 * @private
 * @internal
 */
export declare type AttributeValue = string | number | boolean | Array<string> | Array<number> | Array<boolean>;
/**
 * Span names for instrumented operations.
 */
export declare const SERVICE = "google.firestore.v1.Firestore/";
export declare const SPAN_NAME_BATCH_GET_DOCUMENTS = "BatchGetDocuments";
export declare const SPAN_NAME_RUN_QUERY = "RunQuery";
export declare const SPAN_NAME_RUN_AGGREGATION_QUERY = "RunAggregationQuery";
export declare const SPAN_NAME_DOC_REF_CREATE = "DocumentReference.Create";
export declare const SPAN_NAME_DOC_REF_SET = "DocumentReference.Set";
export declare const SPAN_NAME_DOC_REF_UPDATE = "DocumentReference.Update";
export declare const SPAN_NAME_DOC_REF_DELETE = "DocumentReference.Delete";
export declare const SPAN_NAME_DOC_REF_GET = "DocumentReference.Get";
export declare const SPAN_NAME_DOC_REF_LIST_COLLECTIONS = "DocumentReference.ListCollections";
export declare const SPAN_NAME_COL_REF_ADD = "CollectionReference.Add";
export declare const SPAN_NAME_COL_REF_LIST_DOCUMENTS = "CollectionReference.ListDocuments";
export declare const SPAN_NAME_QUERY_GET = "Query.Get";
export declare const SPAN_NAME_AGGREGATION_QUERY_GET = "AggregationQuery.Get";
export declare const SPAN_NAME_TRANSACTION_RUN = "Transaction.Run";
export declare const SPAN_NAME_TRANSACTION_GET_QUERY = "Transaction.Get.Query";
export declare const SPAN_NAME_TRANSACTION_GET_AGGREGATION_QUERY = "Transaction.Get.AggregationQuery";
export declare const SPAN_NAME_TRANSACTION_GET_DOCUMENT = "Transaction.Get.Document";
export declare const SPAN_NAME_TRANSACTION_GET_DOCUMENTS = "Transaction.Get.Documents";
export declare const SPAN_NAME_TRANSACTION_ROLLBACK = "Transaction.Rollback";
export declare const SPAN_NAME_TRANSACTION_COMMIT = "Transaction.Commit";
export declare const SPAN_NAME_BATCH_COMMIT = "Batch.Commit";
export declare const SPAN_NAME_PARTITION_QUERY = "PartitionQuery";
export declare const SPAN_NAME_BULK_WRITER_COMMIT = "BulkWriter.Commit";
export declare const ATTRIBUTE_SERVICE_PREFIX = "gcp.firestore";
export declare const ATTRIBUTE_SETTINGS_PREFIX = "gcp.firestore.settings";
export declare const ATTRIBUTE_KEY_DOC_COUNT = "doc_count";
export declare const ATTRIBUTE_KEY_IS_TRANSACTIONAL = "transactional";
export declare const ATTRIBUTE_KEY_NUM_RESPONSES = "response_count";
export declare const ATTRIBUTE_KEY_IS_RETRY_WITH_CURSOR = "retry_query_with_cursor";
export declare const ATTRIBUTE_KEY_TRANSACTION_TYPE = "transaction_type";
export declare const ATTRIBUTE_KEY_ATTEMPTS_ALLOWED = "attempts_allowed";
export declare const ATTRIBUTE_KEY_ATTEMPTS_REMAINING = "attempts_remaining";
/**
 * @private
 * @internal
 */
export interface TraceUtil {
    startActiveSpan<F extends (span: Span) => unknown>(name: string, fn: F, attributes?: Attributes): ReturnType<F>;
    startSpan(name: string): Span;
    currentSpan(): Span;
    recordProjectId(projectId: string): void;
}