1  import * as cxapi from '@aws-cdk/cx-api';
 2  import { SdkProvider, ISDK } from '../aws-auth';
 3  import { DeployStackResult } from '../deploy-stack';
 4  import { ToolkitInfo } from '../toolkit-info';
 5  import { BootstrapEnvironmentOptions } from './bootstrap-props';
 6  /**
 7   * A class to hold state around stack bootstrapping
 8   *
 9   * This class exists so we can break bootstrapping into 2 phases:
10   *
11   * ```ts
12   * const current = BootstrapStack.lookup(...);
13   * // ...
14   * current.update(newTemplate, ...);
15   * ```
16   *
17   * And do something in between the two phases (such as look at the
18   * current bootstrap stack and doing something intelligent).
19   */
20  export declare class BootstrapStack {
21      private readonly sdkProvider;
22      private readonly sdk;
23      private readonly resolvedEnvironment;
24      private readonly toolkitStackName;
25      private readonly currentToolkitInfo;
26      static lookup(sdkProvider: SdkProvider, environment: cxapi.Environment, toolkitStackName?: string): Promise<BootstrapStack>;
27      protected constructor(sdkProvider: SdkProvider, sdk: ISDK, resolvedEnvironment: cxapi.Environment, toolkitStackName: string, currentToolkitInfo: ToolkitInfo);
28      get parameters(): Record<string, string>;
29      get terminationProtection(): boolean | undefined;
30      partition(): Promise<string>;
31      /**
32       * Perform the actual deployment of a bootstrap stack, given a template and some parameters
33       */
34      update(template: any, parameters: Record<string, string | undefined>, options: Omit<BootstrapEnvironmentOptions, 'parameters'>): Promise<DeployStackResult>;
35  }
36  export declare function bootstrapVersionFromTemplate(template: any): number;