import { IDevKnativeEventingPkgApisDuckV1BackoffPolicyType } from "./BackoffPolicyType.js";
import { IDevKnativePkgApisDuckV1Destination } from "./Destination.js";
import { IDevKnativeEventingPkgApisDuckV1FormatType } from "./FormatType.js";
import { ModelData, Model } from "@kubernetes-models/base";
/**
 * DeliverySpec contains the delivery options for event senders,
 * such as channelable and source.
 */
export interface IDeliverySpec {
    /**
     * BackoffDelay is the delay before retrying.
     * More information on Duration format:
     *  - https://www.iso.org/iso-8601-date-and-time-format.html
     *  - https://en.wikipedia.org/wiki/ISO_8601
     *
     * For linear policy, backoff delay is backoffDelay\*<numberOfRetries>.
     * For exponential policy, backoff delay is backoffDelay\*2^<numberOfRetries>.
     */
    "backoffDelay"?: string;
    /**
     * BackoffPolicy is the retry backoff policy (linear, exponential).
     */
    "backoffPolicy"?: IDevKnativeEventingPkgApisDuckV1BackoffPolicyType;
    /**
     * DeadLetterSink is the sink receiving event that could not be sent to
     * a destination.
     */
    "deadLetterSink"?: IDevKnativePkgApisDuckV1Destination;
    /**
     * format specifies the desired event format for the cloud event.
     * It can be one of the following values:
     * - nil: default value, no specific format required.
     * - "JSON": indicates the event should be in structured mode.
     * - "binary": indicates the event should be in binary mode.
     */
    "format"?: IDevKnativeEventingPkgApisDuckV1FormatType;
    /**
     * Retry is the minimum number of retries the sender should attempt when
     * sending an event before moving it to the dead letter sink.
     */
    "retry"?: number;
    /**
     * RetryAfterMax provides an optional upper bound on the duration specified in a "Retry-After" header
     * when calculating backoff times for retrying 429 and 503 response codes.  Setting the value to
     * zero ("PT0S") can be used to opt-out of respecting "Retry-After" header values altogether. This
     * value only takes effect if "Retry" is configured, and also depends on specific implementations
     * (Channels, Sources, etc.) choosing to provide this capability.
     *
     * Note: This API is EXPERIMENTAL and might be changed at anytime. While this experimental
     *       feature is in the Alpha/Beta stage, you must provide a valid value to opt-in for
     *       supporting "Retry-After" headers.  When the feature becomes Stable/GA "Retry-After"
     *       headers will be respected by default, and you can choose to specify "PT0S" to
     *       opt-out of supporting "Retry-After" headers.
     *       For more details: https://github.com/knative/eventing/issues/5811
     *
     * More information on Duration format:
     *  - https://www.iso.org/iso-8601-date-and-time-format.html
     *  - https://en.wikipedia.org/wiki/ISO_8601
     */
    "retryAfterMax"?: string;
    /**
     * Timeout is the timeout of each single request. The value must be greater than 0.
     * More information on Duration format:
     *  - https://www.iso.org/iso-8601-date-and-time-format.html
     *  - https://en.wikipedia.org/wiki/ISO_8601
     *
     * Note: This API is EXPERIMENTAL and might break anytime. For more details: https://github.com/knative/eventing/issues/5148
     */
    "timeout"?: string;
}
/**
 * DeliverySpec contains the delivery options for event senders,
 * such as channelable and source.
 */
export declare class DeliverySpec extends Model<IDeliverySpec> implements IDeliverySpec {
    "backoffDelay"?: string;
    "backoffPolicy"?: IDevKnativeEventingPkgApisDuckV1BackoffPolicyType;
    "deadLetterSink"?: IDevKnativePkgApisDuckV1Destination;
    "format"?: IDevKnativeEventingPkgApisDuckV1FormatType;
    "retry"?: number;
    "retryAfterMax"?: string;
    "timeout"?: string;
    constructor(data?: ModelData<IDeliverySpec>);
}
export type { IDeliverySpec as IDevKnativeEventingPkgApisDuckV1DeliverySpec, DeliverySpec as DevKnativeEventingPkgApisDuckV1DeliverySpec };