import { ContextStorageProvider } from './context';
export interface LambdaContext {
    awsRequestId: string;
    [key: string]: any;
}
export interface LambdaEvent {
    headers?: {
        [key: string]: string | undefined;
    };
    [key: string]: any;
}
export interface LogData {
    awsRequestId: string;
    level: string;
    msg?: string;
}
/**
 * Interface for implementing log formatters
 */
export interface ILogFormatter {
    /**
     * Formats the log message using the incoming buffer
     *
     * @param {object} data
     * @returns {string} The formatted output which must end with a newline
     * @memberof ILogFormatter
     */
    format(data: LogData): string;
}
/**
 * Extended options for pino logging
 */
export interface PinoLambdaOptions {
    /**
     * Custom log formatter.
     * If not supplied, defaults to `LambdaLogFormatter`.
     */
    formatter?: ILogFormatter;
    /**
     * Custom storage provider.
     * If not supplied, defaults to global context storage.
     * If used outside of the Lambda environment, you may want to provide
     * your own implementation here.
     */
    storageProvider?: ContextStorageProvider;
    /**
     * Custom streamwriter.
     * This option is currently only used for testing and development
     */
    streamWriter?: (str: string | Uint8Array) => boolean;
}
/**
 * Options for extending the request context
 */
export interface LambdaRequestTrackerOptions {
    /**
     * Per request level mixin with access to the Lambda
     * event and context information for each request
     */
    requestMixin?: (event: LambdaEvent, context: LambdaContext) => {
        [key: string]: unknown;
    };
    /**
     * Custom storage provider.
     * If not supplied, defaults to global context storage.
     * If used outside of the Lambda environment, you may want to provide
     * your own implementation here.
     */
    storageProvider?: ContextStorageProvider;
}