import * as pulumi from "@pulumi/pulumi";
/**
 * Returns a region name derived from a provided zone.
 *
 * For more information about using provider-defined functions with Terraform see the official documentation.
 *
 * ## Example Usage
 *
 * ## Signature
 */
export declare function regionFromZone(zone: string, opts?: pulumi.InvokeOptions): Promise<string>;
/**
 * Returns a region name derived from a provided zone.
 *
 * For more information about using provider-defined functions with Terraform see the official documentation.
 *
 * ## Example Usage
 *
 * ## Signature
 */
export declare function regionFromZoneOutput(zone: pulumi.Input<string>, opts?: pulumi.InvokeOutputOptions): pulumi.Output<string>;
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