import { BackendSecret, BackendSecretResolver } from '@aws-amplify/plugin-types';
import { FunctionProps } from './factory.js';
import { NodejsFunction } from 'aws-cdk-lib/aws-lambda-nodejs';
import { FunctionEnvironmentTypeGenerator } from './function_env_type_generator.js';
/**
 * Translates function environment props into appropriate environment records and builds a policy statement
 * in order to resolve secrets in environment props.
 */
export declare class FunctionEnvironmentTranslator {
    private readonly lambda;
    private readonly functionEnvironmentProp;
    private readonly backendSecretResolver;
    private readonly functionEnvironmentTypeGenerator;
    private readonly ssmPaths;
    private readonly ssmEnvVars;
    private readonly amplifyBackendEnvVarNames;
    /**
     * Initialize translated environment variable records
     */
    constructor(lambda: NodejsFunction, // we need to use a specific type here so that we have all the method goodies
    functionEnvironmentProp: Required<FunctionProps>['environment'], backendSecretResolver: BackendSecretResolver, functionEnvironmentTypeGenerator: FunctionEnvironmentTypeGenerator);
    /**
     * Adds an environment variable to the lambda to be used at runtime
     * @param key The environment variable name
     * @param value envVar value that can be a plain text or a secret
     */
    addEnvironmentEntry: (key: string, value: string | BackendSecret) => void;
    /**
     * Adds an environment variable to the lambda whose value will be fetched from SSM at runtime
     * @param name The environment variable name
     * @param ssmPath The SSM path where the value is stored
     */
    addSsmEnvironmentEntry: (name: string, ssmPath: string) => void;
}
/**
 * Defines metadata around environment variable values that are fetched from SSM during runtime of the lambda function
 */
export type SsmEnvVars = {
    /**
     * The environment variable name to place the resolved value in
     */
    [name: string]: {
        /**
         * The record key names are the branch/sandbox specific SSM paths to fetch the value from
         */
        path: string;
        /**
         * An optional "fallback" SSM path where the value will be looked up if not found at the branch-specific path
         */
        sharedPath?: string;
    };
};
//# sourceMappingURL=function_env_translator.d.ts.map