/**
 * GcpProvider — serverless compute via Google Cloud Run.
 *
 * Deploys container images to Cloud Run via the v2 REST API.
 * Authentication uses a GCP OAuth2 access token.
 *
 * Required credentials:
 *   GCP_PROJECT_ID      — GCP project ID
 *   GCP_ACCESS_TOKEN    — OAuth2 access token (gcloud auth print-access-token)
 *   GCP_CONTAINER_IMAGE — Docker image URI
 *   GCP_REGION          — GCP region (default: us-central1)
 */
import type { IAxonProvider } from '../base.js';
import type { DeploymentConfig, Deployment, CostEstimate, Message } from '../../types.js';
export declare class GcpProvider implements IAxonProvider {
    readonly name: "gcp";
    private client;
    constructor();
    connect(secretKey: string): Promise<void>;
    disconnect(): void;
    deploy(config: DeploymentConfig): Promise<Deployment>;
    estimate(config: DeploymentConfig): Promise<CostEstimate>;
    listDeployments(): Promise<Deployment[]>;
    send(processorId: string, payload: unknown): Promise<void>;
    onMessage(handler: (msg: Message) => void): () => void;
    teardown(deploymentId: string): Promise<void>;
}
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