import { Input, Output } from "./output";
import { CustomResource, CustomResourceOptions } from "./resource";
/**
 * Manages a reference to a Pulumi stack. The referenced stack's outputs are available via the
 * `outputs` property or the `output` method.
 */
export declare class StackReference extends CustomResource {
    /**
     * The name of the referenced stack.
     */
    readonly name: Output<string>;
    /**
     * The outputs of the referenced stack.
     */
    readonly outputs: Output<{
        [name: string]: any;
    }>;
    /**
     * The names of any stack outputs which contain secrets.
     */
    readonly secretOutputNames: Output<string[]>;
    /**
     * Create a StackReference resource with the given unique name, arguments, and options.
     *
     * If args is not specified, the name of the referenced stack will be the name of the StackReference resource.
     *
     * @param name The _unique_ name of the stack reference.
     * @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?: StackReferenceArgs, opts?: CustomResourceOptions);
    /**
     * Fetches the value of the named stack output, or undefined if the stack output was not found.
     *
     * @param name The name of the stack output to fetch.
     */
    getOutput(name: Input<string>): Output<any>;
    /**
     * Fetches the value of the named stack output, or throws an error if the output was not found.
     *
     * @param name The name of the stack output to fetch.
     */
    requireOutput(name: Input<string>): Output<any>;
    /**
     * Fetches the value promptly of the named stack output. May return undefined if the value is
     * not known for some reason.
     *
     * This operation is not supported (and will throw) if the named stack output is a secret.
     *
     * @param name The name of the stack output to fetch.
     */
    getOutputValue(name: string): Promise<any>;
    /**
     * Fetches the value promptly of the named stack output. Throws an error if the stack output is
     * not found.
     *
     * This operation is not supported (and will throw) if the named stack output is a secret.
     *
     * @param name The name of the stack output to fetch.
     */
    requireOutputValue(name: string): Promise<any>;
    private readOutputValue;
}
/**
 * The set of arguments for constructing a StackReference resource.
 */
export interface StackReferenceArgs {
    /**
     * The name of the stack to reference.
     */
    readonly name?: Input<string>;
}