import * as cxschema from '@aws-cdk/cloud-assembly-schema';
import * as cxapi from '@aws-cdk/cx-api';
import { SdkProvider } from '../api/aws-auth/sdk-provider';
import { ContextProviderPlugin } from '../api/plugin';
export declare class KeyContextProviderPlugin implements ContextProviderPlugin {
    private readonly aws;
    constructor(aws: SdkProvider);
    getValue(args: cxschema.KeyContextQuery): Promise<cxapi.KeyContextResponse>;
    private findKey;
    private readKeyProps;
}