/**
 * ContainerMetadataService — tracks container lifecycle metadata (start dates).
 *
 * Used by CircuitBreakerValidation to determine if a container's timebox has expired.
 * File-based implementation reads/writes .ido4/container-metadata.json.
 */
export interface IContainerMetadataService {
    getContainerMetadata(containerName: string): Promise<ContainerMetadata | null>;
    setContainerMetadata(containerName: string, metadata: ContainerMetadata): Promise<void>;
}
export interface ContainerMetadata {
    /** ISO-8601 timestamp when the container was started/created */
    startDate: string;
    /** Matches ContainerTypeDefinition.id (e.g., 'cycle', 'sprint', 'wave') */
    containerTypeId: string;
}
export declare class FileContainerMetadataService implements IContainerMetadataService {
    private readonly filePath;
    constructor(projectRoot: string);
    getContainerMetadata(containerName: string): Promise<ContainerMetadata | null>;
    setContainerMetadata(containerName: string, metadata: ContainerMetadata): Promise<void>;
    private readFile;
    private writeFile;
}
export declare class InMemoryContainerMetadataService implements IContainerMetadataService {
    private store;
    getContainerMetadata(containerName: string): Promise<ContainerMetadata | null>;
    setContainerMetadata(containerName: string, metadata: ContainerMetadata): Promise<void>;
}
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