import * as pulumi from "@pulumi/pulumi";
/**
 * Gets the configuration details of a snapshot. Snapshots are used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of messages in an existing subscription to the state captured by a snapshot.
 */
export declare function getSnapshot(args: GetSnapshotArgs, opts?: pulumi.InvokeOptions): Promise<GetSnapshotResult>;
export interface GetSnapshotArgs {
    project?: string;
    snapshotId: string;
}
export interface GetSnapshotResult {
    /**
     * Optional. The snapshot is guaranteed to exist up until this time. A newly-created snapshot expires no later than 7 days from the time of its creation. Its exact lifetime is determined at creation by the existing backlog in the source subscription. Specifically, the lifetime of the snapshot is `7 days - (age of oldest unacked message in the subscription)`. For example, consider a subscription whose oldest unacked message is 3 days old. If a snapshot is created from this subscription, the snapshot -- which will always capture this 3-day-old backlog as long as the snapshot exists -- will expire in 4 days. The service will refuse to create a snapshot that would expire in less than 1 hour after creation.
     */
    readonly expireTime: string;
    /**
     * Optional. See [Creating and managing labels] (https://cloud.google.com/pubsub/docs/labels).
     */
    readonly labels: {
        [key: string]: string;
    };
    /**
     * Optional. The name of the snapshot.
     */
    readonly name: string;
    /**
     * Optional. The name of the topic from which this snapshot is retaining messages.
     */
    readonly topic: string;
}
/**
 * Gets the configuration details of a snapshot. Snapshots are used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of messages in an existing subscription to the state captured by a snapshot.
 */
export declare function getSnapshotOutput(args: GetSnapshotOutputArgs, opts?: pulumi.InvokeOptions): pulumi.Output<GetSnapshotResult>;
export interface GetSnapshotOutputArgs {
    project?: pulumi.Input<string>;
    snapshotId: pulumi.Input<string>;
}