import { Construct } from '@aws-cdk/cdk';
import { FunctionRef } from './lambda-ref';
import { Version } from './lambda.generated';
/**
 * Properties for a new Lambda version
 */
export interface FunctionVersionProps {
    /**
     * SHA256 of the version of the Lambda source code
     *
     * Specify to validate that you're deploying the right version.
     *
     * @default No validation is performed
     */
    codeSha256?: string;
    /**
     * Description of the version
     *
     * @default Description of the Lambda
     */
    description?: string;
    /**
     * Function to get the value of
     */
    lambda: FunctionRef;
}
/**
 * A single newly-deployed version of a Lambda function.
 *
 * This object exists to--at deploy time--query the "then-current" version of
 * the Lambda function that it refers to. This Version object can then be
 * used in `Alias` to refer to a particular deployment of a Lambda.
 *
 * This means that for every new update you deploy to your Lambda (using the
 * CDK and Aliases), you must always create a new Version object. In
 * particular, it must have a different name, so that a new resource is
 * created.
 *
 * If you want to ensure that you're associating the right version with
 * the right deployment, specify the `codeSha256` property while
 * creating the `Version.
 */
export declare class FunctionVersion extends Construct {
    /**
     * The most recently deployed version of this function.
     */
    readonly functionVersion: Version;
    /**
     * Lambda object this version is associated with
     */
    readonly lambda: FunctionRef;
    constructor(parent: Construct, name: string, props: FunctionVersionProps);
}