/**
 * Copyright (c) 2025 Elara AI Pty Ltd
 * Licensed under BSL 1.1. See LICENSE for details.
 */
import type { ExecutionStateStore, TaskStatusDetails, ExecutionStatusDetails } from './interfaces.js';
import type { DataflowExecutionState, ExecutionEvent, TaskStatus } from '../types.js';
/**
 * In-memory state store for testing and simple use cases.
 *
 * @remarks
 * - Thread-safe for concurrent access within a single process
 * - State is lost on process exit
 * - No durability guarantees
 */
export declare class InMemoryStateStore implements ExecutionStateStore {
    /** Map of "repo::workspace" -> execution ID -> state */
    private states;
    /** Map of "repo::workspace" -> next execution ID counter */
    private counters;
    private makeKey;
    create(state: DataflowExecutionState): Promise<void>;
    read(repo: string, workspace: string, id: string): Promise<DataflowExecutionState | null>;
    readLatest(repo: string, workspace: string): Promise<DataflowExecutionState | null>;
    update(state: DataflowExecutionState): Promise<void>;
    updateTaskStatus(repo: string, workspace: string, executionId: string, task: string, status: TaskStatus, details?: TaskStatusDetails): Promise<void>;
    updateStatus(repo: string, workspace: string, executionId: string, status: 'running' | 'completed' | 'failed' | 'cancelled', details?: ExecutionStatusDetails): Promise<void>;
    recordEvent(repo: string, workspace: string, executionId: string, event: ExecutionEvent): Promise<void>;
    getEventsSince(repo: string, workspace: string, executionId: string, sinceSeq: number): Promise<ExecutionEvent[]>;
    nextExecutionId(repo: string, workspace: string): Promise<string>;
    delete(repo: string, workspace: string, executionId: string): Promise<void>;
    /**
     * Clear all state (for testing).
     */
    clear(): void;
    /**
     * Deep clone execution state to prevent external mutation.
     *
     * Note: We use spread and some() to properly clone the branded option types.
     */
    private cloneState;
}
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