import * as pulumi from "@pulumi/pulumi";
/**
 * The `consul.getDatacenters` data source returns the list of all knwown Consul
 * datacenters.
 *
 * ## Example Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as consul from "@pulumi/consul";
 * import * as std from "@pulumi/std";
 *
 * export = async () => {
 *     const all = await consul.getDatacenters({});
 *     // Register a prepared query in each of the datacenters
 *     const myapp_query: consul.PreparedQuery[] = [];
 *     for (const range of std.toset({
 *         input: all.datacenters,
 *     }).result.map((v, k) => ({key: k, value: v}))) {
 *         myapp_query.push(new consul.PreparedQuery(`myapp-query-${range.key}`, {
 *             name: "myquery",
 *             datacenter: range.key,
 *             onlyPassing: true,
 *             near: "_agent",
 *             service: "myapp",
 *             tags: [
 *                 "active",
 *                 "!standby",
 *             ],
 *             failover: {
 *                 nearestN: 3,
 *                 datacenters: [
 *                     "us-west1",
 *                     "us-east-2",
 *                     "asia-east1",
 *                 ],
 *             },
 *             dns: {
 *                 ttl: "30s",
 *             },
 *         }));
 *     }
 * }
 * ```
 */
export declare function getDatacenters(opts?: pulumi.InvokeOptions): Promise<GetDatacentersResult>;
/**
 * A collection of values returned by getDatacenters.
 */
export interface GetDatacentersResult {
    /**
     * The list of datacenters known. The datacenters will be sorted
     * in ascending order based on the estimated median round trip time from the server
     * to the servers in that datacenter.
     */
    readonly datacenters: string[];
    /**
     * The provider-assigned unique ID for this managed resource.
     */
    readonly id: string;
}
/**
 * The `consul.getDatacenters` data source returns the list of all knwown Consul
 * datacenters.
 *
 * ## Example Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as consul from "@pulumi/consul";
 * import * as std from "@pulumi/std";
 *
 * export = async () => {
 *     const all = await consul.getDatacenters({});
 *     // Register a prepared query in each of the datacenters
 *     const myapp_query: consul.PreparedQuery[] = [];
 *     for (const range of std.toset({
 *         input: all.datacenters,
 *     }).result.map((v, k) => ({key: k, value: v}))) {
 *         myapp_query.push(new consul.PreparedQuery(`myapp-query-${range.key}`, {
 *             name: "myquery",
 *             datacenter: range.key,
 *             onlyPassing: true,
 *             near: "_agent",
 *             service: "myapp",
 *             tags: [
 *                 "active",
 *                 "!standby",
 *             ],
 *             failover: {
 *                 nearestN: 3,
 *                 datacenters: [
 *                     "us-west1",
 *                     "us-east-2",
 *                     "asia-east1",
 *                 ],
 *             },
 *             dns: {
 *                 ttl: "30s",
 *             },
 *         }));
 *     }
 * }
 * ```
 */
export declare function getDatacentersOutput(opts?: pulumi.InvokeOutputOptions): pulumi.Output<GetDatacentersResult>;