import * as pulumi from "@pulumi/pulumi";
/**
 * Formats a User-Agent product for use with the `userAgent` argument in the `provider` block.
 *
 * > Functions cannot be used in the `terraform` block, meaning this utility cannot be used with the `providerMeta` `userAgent` argument.
 *
 * ## Signature
 */
export declare function userAgent(productName: string, productVersion: string, comment: string, opts?: pulumi.InvokeOptions): Promise<string>;
/**
 * Formats a User-Agent product for use with the `userAgent` argument in the `provider` block.
 *
 * > Functions cannot be used in the `terraform` block, meaning this utility cannot be used with the `providerMeta` `userAgent` argument.
 *
 * ## Signature
 */
export declare function userAgentOutput(productName: pulumi.Input<string>, productVersion: pulumi.Input<string>, comment: pulumi.Input<string>, opts?: pulumi.InvokeOutputOptions): pulumi.Output<string>;
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