import * as pulumi from "@pulumi/pulumi";
import * as outputs from "../../types/output";
/**
 * Gets the configuration of a topic.
 */
export declare function getTopic(args: GetTopicArgs, opts?: pulumi.InvokeOptions): Promise<GetTopicResult>;
export interface GetTopicArgs {
    project?: string;
    topicId: string;
}
export interface GetTopicResult {
    /**
     * Optional. The resource name of the Cloud KMS CryptoKey to be used to protect access to messages published on this topic. The expected format is `projects/*&#47;locations/*&#47;keyRings/*&#47;cryptoKeys/*`.
     */
    readonly kmsKeyName: string;
    /**
     * Optional. See [Creating and managing labels] (https://cloud.google.com/pubsub/docs/labels).
     */
    readonly labels: {
        [key: string]: string;
    };
    /**
     * Optional. Indicates the minimum duration to retain a message after it is published to the topic. If this field is set, messages published to the topic in the last `message_retention_duration` are always available to subscribers. For instance, it allows any attached subscription to [seek to a timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time) that is up to `message_retention_duration` in the past. If this field is not set, message retention is controlled by settings on individual subscriptions. Cannot be more than 31 days or less than 10 minutes.
     */
    readonly messageRetentionDuration: string;
    /**
     * Optional. Policy constraining the set of Google Cloud Platform regions where messages published to the topic may be stored. If not present, then no constraints are in effect.
     */
    readonly messageStoragePolicy: outputs.pubsub.v1.MessageStoragePolicyResponse;
    /**
     * The name of the topic. It must have the format `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     */
    readonly name: string;
    /**
     * Optional. Reserved for future use. This field is set only in responses from the server; it is ignored if it is set in any requests.
     */
    readonly satisfiesPzs: boolean;
    /**
     * Optional. Settings for validating messages published against a schema.
     */
    readonly schemaSettings: outputs.pubsub.v1.SchemaSettingsResponse;
}
/**
 * Gets the configuration of a topic.
 */
export declare function getTopicOutput(args: GetTopicOutputArgs, opts?: pulumi.InvokeOptions): pulumi.Output<GetTopicResult>;
export interface GetTopicOutputArgs {
    project?: pulumi.Input<string>;
    topicId: pulumi.Input<string>;
}