import { Context } from "aws-lambda";
export declare enum eventTypes {
    apiGateway = "api-gateway",
    applicationLoadBalancer = "application-load-balancer",
    cloudFront = "cloudfront",
    cloudWatchEvents = "cloudwatch-events",
    cloudWatchLogs = "cloudwatch-logs",
    cloudWatch = "cloudwatch",
    dynamoDB = "dynamodb",
    eventBridge = "eventbridge",
    kinesis = "kinesis",
    lambdaUrl = "lambda-function-url",
    s3 = "s3",
    sns = "sns",
    sqs = "sqs",
    stepFunctions = "states"
}
export declare enum eventSubTypes {
    apiGatewayV1 = "api-gateway-rest-api",
    apiGatewayV2 = "api-gateway-http-api",
    apiGatewayWebsocket = "api-gateway-websocket",
    unknown = "unknown-sub-type"
}
export declare function parseEventSourceSubType(event: any): eventSubTypes;
/**
 * parseEventSource parses the triggering event to determine the source
 * Possible Returns:
 * api-gateway | application-load-balancer | cloudwatch-logs |
 * cloudwatch-events | cloudfront | dynamodb | kinesis | s3 | sns | sqs | states
 */
export declare function parseEventSource(event: any): eventTypes.apiGateway | eventTypes.applicationLoadBalancer | eventTypes.cloudFront | eventTypes.cloudWatchEvents | eventTypes.cloudWatchLogs | eventTypes.dynamoDB | eventTypes.eventBridge | eventTypes.kinesis | eventTypes.lambdaUrl | eventTypes.s3 | eventTypes.sns | eventTypes.sqs | eventTypes.stepFunctions | undefined;
/**
 * parseEventSourceARN parses the triggering event to determine the event source's
 * ARN if available. Otherwise we stitch together the ARN
 */
export declare function parseEventSourceARN(source: string | undefined, event: any, context: Context): string | undefined;
/**
 * extractTriggerTags parses the trigger event object for tags to be added to the span metadata
 */
export declare function extractTriggerTags(event: any, context: Context, eventSource: eventTypes | undefined): {
    [key: string]: string;
};
/**
 * extractHTTPStatusCode extracts a status code from the response if the Lambda was triggered
 * by API Gateway, ALB, or Lambda Function URL
 */
export declare function extractHTTPStatusCodeTag(triggerTags: {
    [key: string]: string;
} | undefined, result: any, isResponseStreamFunction: boolean): string | undefined;
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