import * as esbuild from "esbuild";
import * as cdk from "@aws-cdk/core";
import * as lambda from "@aws-cdk/aws-lambda";
import * as lambdaNode from "@aws-cdk/aws-lambda-nodejs";
import { Permissions } from "./util/permission";
export declare type HandlerProps = FunctionHandlerProps;
export declare type FunctionDefinition = string | Function | FunctionProps;
export interface FunctionProps extends Omit<lambda.FunctionOptions, "timeout" | "runtime"> {
    /**
     * Path to the entry point and handler function. Of the format:
     * `/path/to/file.function`.
     */
    readonly handler?: string;
    /**
     * The source directory where the entry point is located. The node_modules in this
     * directory is used to generate the bundle.
     *
     * @default - Defaults to the app directory.
     */
    readonly srcPath?: string;
    /**
     * The runtime environment.
     *
     * @default - Defaults to NODEJS_12_X
     */
    readonly runtime?: string | lambda.Runtime;
    /**
     * The amount of memory in MB allocated.
     *
     * @default - Defaults to 1024
     */
    readonly memorySize?: number;
    /**
     * The execution timeout in seconds.
     *
     * @default - number
     */
    readonly timeout?: number | cdk.Duration;
    /**
     * Enable AWS X-Ray Tracing.
     *
     * @default - Defaults to ACTIVE
     */
    readonly tracing?: lambda.Tracing;
    /**
     * Disable bundling with esbuild.
     *
     * @default - Defaults to true
     */
    readonly bundle?: boolean | FunctionBundleNodejsProps | FunctionBundlePythonProps;
    readonly permissions?: Permissions;
}
export interface FunctionHandlerProps {
    readonly srcPath: string;
    readonly handler: string;
    readonly bundle: boolean | FunctionBundleNodejsProps | FunctionBundlePythonProps;
    readonly runtime: string;
}
export interface FunctionBundleNodejsProps {
    readonly loader?: {
        [ext: string]: esbuild.Loader;
    };
    readonly externalModules?: string[];
    readonly nodeModules?: string[];
    readonly copyFiles?: FunctionBundleCopyFilesProps[];
    readonly commandHooks?: lambdaNode.ICommandHooks;
    readonly esbuildConfig?: string;
}
export interface FunctionBundlePythonProps {
    readonly installCommands?: string[];
}
export interface FunctionBundleCopyFilesProps {
    readonly from: string;
    readonly to: string;
}
export declare class Function extends lambda.Function {
    constructor(scope: cdk.Construct, id: string, props: FunctionProps);
    attachPermissions(permissions: Permissions): void;
    static fromDefinition(scope: cdk.Construct, id: string, definition: FunctionDefinition, inheritedProps?: FunctionProps, inheritErrorMessage?: string): Function;
    static mergeProps(baseProps?: FunctionProps, props?: FunctionProps): FunctionProps;
}