/**
 * @license
 * Copyright 2025 Google LLC
 *
 * 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 { LoggerProvider } from '@opentelemetry/sdk-logs';
import { Crashlytics } from './public-types';
import { ALREADY_LOGGED_FLAG } from './constants';
/**
 * An internal interface for the Crashlytics service.
 *
 * @internal
 */
export interface CrashlyticsInternal extends Crashlytics {
    loggerProvider: LoggerProvider;
}
type KeyValuePair = [key: string, value: string];
/**
 * A type for Cloud Telemetry signal attributes
 *
 * @internal
 */
export type SignalAttribute = KeyValuePair;
/**
 * An interface for classes that provide dynamic signal attributes.
 *
 * Classes that implement this interface can be used to supply custom headers for logging.
 *
 * @internal
 */
export interface DynamicAttributeProvider {
    /**
     * Returns a record of attributes to be added to a log entry.
     *
     * @returns A {@link Promise} that resolves to a {@link SignalAttribute} key-value pair,
     * or null if no attribute is to be added.
     */
    getAttribute(): Promise<SignalAttribute | null>;
}
/**
 * A type for HTTP Headers
 *
 * @internal
 */
export type HttpHeader = KeyValuePair;
/**
 * An interface for classes that provide dynamic headers.
 *
 * Classes that implement this interface can be used to supply custom headers for logging.
 *
 * @internal
 */
export interface DynamicHeaderProvider {
    /**
     * Returns a record of headers to be added to a request.
     *
     * @returns A {@link Promise} that resolves to a {@link HttpHeader} key-value pair,
     * or null if no header is to be added.
     */
    getHeader(): Promise<HttpHeader | null>;
}
/**
 * An internal interface for error objects that have been flagged as already logged.
 *
 * @internal
 */
export interface ErrorWithSymbol extends Error {
    [ALREADY_LOGGED_FLAG]?: boolean;
}
export {};