/**
 * In-memory workflow storage service
 * This can be replaced with a database implementation later
 */
import type { Workflow } from '../types/index.js';
/**
 * Save a workflow
 */
export declare function saveWorkflow(workflow: Omit<Workflow, 'id'>): Promise<Workflow>;
/**
 * Update an existing workflow
 */
export declare function updateWorkflow(id: string, workflow: Partial<Workflow>): Promise<Workflow | null>;
/**
 * Get a workflow by ID
 */
export declare function getWorkflow(id: string): Promise<Workflow | null>;
/**
 * Get all workflows with optional filtering
 */
export declare function getWorkflows(options?: {
    search?: string;
    limit?: number;
    offset?: number;
}): Promise<Workflow[]>;
/**
 * Delete a workflow
 */
export declare function deleteWorkflow(id: string): Promise<boolean>;
/**
 * Get workflow count
 */
export declare function getWorkflowCount(): Promise<number>;
/**
 * Initialize with sample workflows (for development)
 */
export declare function initializeSampleWorkflows(): Promise<void>;