export type SettingsMap = {
    [key: string]: any;
};
export declare const PROJECT_CONFIG = "cdk.json";
export declare const PROJECT_CONTEXT = "cdk.context.json";
export declare const USER_DEFAULTS = "~/.cdk.json";
/**
 * If a context value is an object with this key set to a truthy value, it won't be saved to cdk.context.json
 */
export declare const TRANSIENT_CONTEXT_KEY = "$dontSaveContext";
export declare enum Command {
    LS = "ls",
    LIST = "list",
    DIFF = "diff",
    BOOTSTRAP = "bootstrap",
    DEPLOY = "deploy",
    DESTROY = "destroy",
    SYNTHESIZE = "synthesize",
    SYNTH = "synth",
    METADATA = "metadata",
    INIT = "init",
    VERSION = "version",
    WATCH = "watch"
}
export type Arguments = {
    readonly _: [Command, ...string[]];
    readonly exclusively?: boolean;
    readonly STACKS?: string[];
    readonly lookups?: boolean;
    readonly [name: string]: unknown;
};
export interface ConfigurationProps {
    /**
     * Configuration passed via command line arguments
     *
     * @default - Nothing passed
     */
    readonly commandLineArguments?: Arguments;
    /**
     * Whether or not to use context from `.cdk.json` in user home directory
     *
     * @default true
     */
    readonly readUserContext?: boolean;
}
/**
 * All sources of settings combined
 */
export declare class Configuration {
    private readonly props;
    settings: Settings;
    context: Context;
    readonly defaultConfig: Settings;
    private readonly commandLineArguments;
    private readonly commandLineContext;
    private _projectConfig?;
    private _projectContext?;
    private loaded;
    constructor(props?: ConfigurationProps);
    private get projectConfig();
    private get projectContext();
    /**
     * Load all config
     */
    load(): Promise<this>;
    /**
     * Save the project context
     */
    saveContext(): Promise<this>;
}
/**
 * Class that supports overlaying property bags
 *
 * Reads come from the first property bag that can has the given key,
 * writes go to the first property bag that is not readonly. A write
 * will remove the value from all property bags after the first
 * writable one.
 */
export declare class Context {
    private readonly bags;
    constructor(...bags: Settings[]);
    get keys(): string[];
    has(key: string): boolean;
    get all(): {
        [key: string]: any;
    };
    get(key: string): any;
    set(key: string, value: any): void;
    unset(key: string): void;
    clear(): void;
}
/**
 * A single bag of settings
 */
export declare class Settings {
    private settings;
    readonly readOnly: boolean;
    /**
     * Parse Settings out of CLI arguments.
     *
     * CLI arguments in must be accessed in the CLI code via
     * `configuration.settings.get(['argName'])` instead of via `args.argName`.
     *
     * The advantage is that they can be configured via `cdk.json` and
     * `$HOME/.cdk.json`. Arguments not listed below and accessed via this object
     * can only be specified on the command line.
     *
     * @param argv the received CLI arguments.
     * @returns a new Settings object.
     */
    static fromCommandLineArguments(argv: Arguments): Settings;
    static mergeAll(...settings: Settings[]): Settings;
    private static parseStringContextListToObject;
    /**
     * Parse tags out of arguments
     *
     * Return undefined if no tags were provided, return an empty array if only empty
     * strings were provided
     */
    private static parseStringTagsListToObject;
    constructor(settings?: SettingsMap, readOnly?: boolean);
    load(fileName: string): Promise<this>;
    save(fileName: string): Promise<this>;
    get all(): any;
    merge(other: Settings): Settings;
    subSettings(keyPrefix: string[]): Settings;
    makeReadOnly(): Settings;
    clear(): void;
    get empty(): boolean;
    get(path: string[]): any;
    set(path: string[], value: any): Settings;
    unset(path: string[]): void;
    private prohibitContextKey;
    private warnAboutContextKey;
}