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 {@link StackReference.outputs} property or the
 * {@link StackReference.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 {@link 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 {@link 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 of the named stack output and builds a
     * {@link StackReferenceOutputDetails} with it.
     *
     * The returned object has its `value` or `secretValue` fields set depending
     * on whether the output is a secret. Neither field is set if the output was
     * not found.
     *
     * @param name
     *  The name of the stack output to fetch.
     */
    getOutputDetails(name: string): Promise<StackReferenceOutputDetails>;
    /**
     * 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 {@link StackReference} resource.
 */
export interface StackReferenceArgs {
    /**
     * The name of the stack to reference.
     */
    readonly name?: Input<string>;
}
/**
 * Records the output of a {@link StackReference}. Exactly one of `value` or
 * `secretValue` will be set.
 */
export interface StackReferenceOutputDetails {
    /**
     * An output value returned by the {@link StackReference}.
     *
     * This is `null` if the value is a secret or it does not exist.
     */
    readonly value?: any;
    /**
     * A secret value returned by the {@link StackReference}.
     *
     * This is `null` if the value is not a secret or it does not exist.
     */
    readonly secretValue?: any;
}