import { Duration } from 'cdk8s';
import * as container from './container';
import * as k8s from './imports/k8s';
/**
 * Probe options.
 */
export interface ProbeOptions {
    /**
     * Minimum consecutive failures for the probe to be considered failed after
     * having succeeded.
     *
     * Defaults to 3. Minimum value is 1.
     *
     * @default 3
     */
    readonly failureThreshold?: number;
    /**
     * Number of seconds after the container has started before liveness probes
     * are initiated.
     *
     * @see https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
     * @default - immediate
     */
    readonly initialDelaySeconds?: Duration;
    /**
     * How often (in seconds) to perform the probe.
     *
     * Default to 10 seconds. Minimum value is 1.
     *
     * @default Duration.seconds(10) Minimum value is 1.
     */
    readonly periodSeconds?: Duration;
    /**
     * Minimum consecutive successes for the probe to be considered successful
     * after having failed. Defaults to 1.
     *
     * Must be 1 for liveness and startup. Minimum value is 1.
     *
     * @default 1 Must be 1 for liveness and startup. Minimum value is 1.
     */
    readonly successThreshold?: number;
    /**
     * Number of seconds after which the probe times out.
     *
     * Defaults to 1 second. Minimum value is 1.
     *
     * @see https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
     * @default Duration.seconds(1)
     */
    readonly timeoutSeconds?: Duration;
}
export declare enum ConnectionScheme {
    /**
     * Use HTTP request for connecting to host.
     */
    HTTP = "HTTP",
    /**
     * Use HTTPS request for connecting to host.
     */
    HTTPS = "HTTPS"
}
/**
 * Options for `Probe.fromHttpGet()`.
 */
export interface HttpGetProbeOptions extends ProbeOptions {
    /**
     * The TCP port to use when sending the GET request.
     *
     * @default - defaults to `container.port`.
     */
    readonly port?: number;
    /**
     *  Scheme to use for connecting to the host (HTTP or HTTPS).
     *
     *  @default ConnectionScheme.HTTP
     */
    readonly scheme?: ConnectionScheme;
    /**
     * The host name to connect to on the container.
     *
     * @default - defaults to the pod IP
     */
    readonly host?: string;
}
/**
 * Options for `Probe.fromCommand()`.
 */
export interface CommandProbeOptions extends ProbeOptions {
}
/**
 * Options for `Probe.fromTcpSocket()`.
 */
export interface TcpSocketProbeOptions extends ProbeOptions {
    /**
     * The TCP port to connect to on the container.
     *
     * @default - defaults to `container.port`.
     */
    readonly port?: number;
    /**
     * The host name to connect to on the container.
     *
     * @default - defaults to the pod IP
     */
    readonly host?: string;
}
/**
 * Probe describes a health check to be performed against a container to
 * determine whether it is alive or ready to receive traffic.
 */
export declare class Probe {
    private readonly probeOptions;
    private readonly tcpSocketOptions?;
    private readonly commandOptions?;
    private readonly httpGetOptions?;
    /**
     * Defines a probe based on an HTTP GET request to the IP address of the container.
     *
     * @param path The URL path to hit
     * @param options Options
     */
    static fromHttpGet(path: string, options?: HttpGetProbeOptions): Probe;
    /**
     * Defines a probe based on a command which is executed within the container.
     *
     * @param command The command to execute
     * @param options Options
     */
    static fromCommand(command: string[], options?: CommandProbeOptions): Probe;
    /**
     * Defines a probe based opening a connection to a TCP socket on the container.
     *
     * @param options Options
     */
    static fromTcpSocket(options?: TcpSocketProbeOptions): Probe;
    private constructor();
    /**
     * @internal
     */
    _toKube(cont: container.Container): k8s.Probe;
}