import * as codebuild from 'aws-cdk-lib/aws-codebuild';
import type * as ecr from 'aws-cdk-lib/aws-ecr';
import * as iam from 'aws-cdk-lib/aws-iam';
import { Construct } from 'constructs';
/**
 * Singleton CodeBuild project for building container images.
 *
 * Creates a shared CodeBuild project at the stack level that can be reused
 * across multiple agent container builds. The project uses a privileged
 * ARM64 environment with Docker layer caching.
 *
 * The buildspec expects environment variables:
 * - ECR_REGISTRY: The ECR registry URL
 * - IMAGE_URI: The full image URI (repo:tag)
 * - DOCKERFILE_PATH: Path to the Dockerfile within the source
 */
export declare class ContainerBuildProject extends Construct {
    /**
     * Returns the singleton ContainerBuildProject for the given stack.
     * Creates a new one if it doesn't exist yet.
     */
    static getOrCreate(scope: Construct): ContainerBuildProject;
    readonly project: codebuild.Project;
    readonly role: iam.Role;
    constructor(scope: Construct, id: string);
    /**
     * Grant the build project permission to push to a specific ECR repository.
     */
    grantPushTo(repository: ecr.IRepository): void;
}
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