import * as pulumi from "@pulumi/pulumi";
import * as inputs from "../../types/input";
import * as outputs from "../../types/output";
import * as enums from "../../types/enums";
/**
 * Creates the specified index. A newly created index's initial state is `CREATING`. On completion of the returned google.longrunning.Operation, the state will be `READY`. If the index already exists, the call will return an `ALREADY_EXISTS` status. During creation, the process could result in an error, in which case the index will move to the `ERROR` state. The process can be recovered by fixing the data that caused the error, removing the index with delete, then re-creating the index with create. Indexes with a single field cannot be created.
 */
export declare class Index extends pulumi.CustomResource {
    /**
     * Get an existing Index resource's state with the given name, ID, and optional extra
     * properties used to qualify the lookup.
     *
     * @param name The _unique_ name of the resulting resource.
     * @param id The _unique_ provider ID of the resource to lookup.
     * @param opts Optional settings to control the behavior of the CustomResource.
     */
    static get(name: string, id: pulumi.Input<pulumi.ID>, opts?: pulumi.CustomResourceOptions): Index;
    /**
     * Returns true if the given object is an instance of Index.  This is designed to work even
     * when multiple copies of the Pulumi SDK have been loaded into the same process.
     */
    static isInstance(obj: any): obj is Index;
    /**
     * The collection ID to which this index applies. Required.
     */
    readonly collectionId: pulumi.Output<string>;
    readonly databaseId: pulumi.Output<string>;
    /**
     * The fields to index.
     */
    readonly fields: pulumi.Output<outputs.firestore.v1beta1.GoogleFirestoreAdminV1beta1IndexFieldResponse[]>;
    /**
     * The resource name of the index. Output only.
     */
    readonly name: pulumi.Output<string>;
    readonly project: pulumi.Output<string>;
    /**
     * The state of the index. Output only.
     */
    readonly state: pulumi.Output<string>;
    /**
     * Create a Index resource with the given unique name, arguments, and options.
     *
     * @param name The _unique_ name of the resource.
     * @param args The arguments to use to populate this resource's properties.
     * @param opts A bag of options that control this resource's behavior.
     */
    constructor(name: string, args: IndexArgs, opts?: pulumi.CustomResourceOptions);
}
/**
 * The set of arguments for constructing a Index resource.
 */
export interface IndexArgs {
    /**
     * The collection ID to which this index applies. Required.
     */
    collectionId?: pulumi.Input<string>;
    databaseId: pulumi.Input<string>;
    /**
     * The fields to index.
     */
    fields?: pulumi.Input<pulumi.Input<inputs.firestore.v1beta1.GoogleFirestoreAdminV1beta1IndexFieldArgs>[]>;
    /**
     * The resource name of the index. Output only.
     */
    name?: pulumi.Input<string>;
    project?: pulumi.Input<string>;
    /**
     * The state of the index. Output only.
     */
    state?: pulumi.Input<enums.firestore.v1beta1.IndexState>;
}