import { aws_cloudwatch as cloudwatch, aws_codepipeline as cpipeline } from 'aws-cdk-lib';
import { Construct } from 'constructs';
export interface PipelineWatcherProps {
    /**
     * The CloudWatch metric namespace to which metrics should be sent
     */
    metricNamespace: string;
    /**
     * The CloudWatch metric name for failures.
     */
    failureMetricName: string;
    /**
     * Code Pipeline to monitor for failed stages
     */
    pipeline: cpipeline.IPipeline;
    /**
     * Set the pipelineName of the alarm description.
     *
     * Description is set to 'Pipeline <title> has failed stages'
     *
     * @default pipeline's name
     */
    title?: string;
}
/**
 * Construct which watches a Code Pipeline for failed stages and raises an alarm
 * if there are any failed stages.
 *
 * A function runs every minute and calls GetPipelineState for the provided pipeline's
 * name, counts the number of failed stages and emits a JSON log { failedCount: <number> }.
 * A metric filter is then configured to track this value as a CloudWatch metric, and
 * a corresponding alarm is set to fire when the maximim value of a single 5-minute interval
 * is >= 1.
 */
export declare class PipelineWatcher extends Construct {
    readonly alarm: cloudwatch.Alarm;
    constructor(parent: Construct, name: string, props: PipelineWatcherProps);
}