export interface NodeDefinition {
    /** Path to entry module (e.g., "./src/worker.ts") */
    entry: string;
    /** Roles for this node type */
    roles?: string[];
    /** Number of instances to start. Default: 1 */
    count?: number;
    /** Port number or "auto" for auto-assignment. Default: "auto" */
    port?: number | "auto";
}
export interface DeployConfig {
    /** Deployment strategy */
    strategy: "rolling";
    /** Max time in ms to wait for drain. Default: 30000 */
    drainTimeout?: number;
    /** Health check configuration */
    healthCheck?: {
        /** Interval between checks in ms. Default: 1000 */
        interval?: number;
        /** Number of retries before failure. Default: 10 */
        retries?: number;
    };
}
export interface LibeamConfig {
    cluster: {
        /** Cookie for cluster authentication */
        cookie?: string;
        /** Seed nodes for cluster formation */
        seedNodes?: string[];
    };
    /** Node type definitions */
    nodes: Record<string, NodeDefinition>;
    /** Deployment configuration */
    deploy?: DeployConfig;
}
/**
 * Loads the libeam config from the current working directory.
 * Tries libeam.config.ts, .js, .mjs in order.
 */
export declare function loadConfig(cwd?: string): Promise<LibeamConfig>;
/**
 * Loads config or returns null if not found (for commands that don't require config).
 */
export declare function loadConfigOrNull(cwd?: string): Promise<LibeamConfig | null>;
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