/**
 * IAgentRegistrar — port interface for registering agent definitions
 * with the host platform.
 *
 * Platform adapters implement this to translate AgentDefinitions into
 * whatever format the host expects (e.g. opencode agent files, MCP
 * tool declarations, in-memory registrations).
 *
 * Must NOT import from @opencode-ai/plugin or @opencode-ai/sdk.
 */
import type { AgentDefinition } from "../types.ts";
export type { AgentDefinition };
/**
 * Port interface for agent registration.
 *
 * The registrar handles the platform-specific mechanics of making
 * agents available to the host (filesystem sync, API calls, etc.).
 */
export interface IAgentRegistrar {
    /**
     * Register (or update) a batch of agent definitions.
     * Implementations are idempotent — re-registering the same agent
     * with the same definition is a no-op.
     */
    register(agents: AgentDefinition[]): Promise<void>;
    /**
     * Unregister agents that are no longer resolved.
     * Implementations clean up any platform-specific artifacts.
     */
    unregister(agentIds: string[]): Promise<void>;
    /**
     * Sync registered agents with a new complete set.
     * Equivalent to: register new/changed, unregister removed.
     * Returns the IDs that were added and removed.
     */
    sync(agents: AgentDefinition[]): Promise<{
        added: string[];
        removed: string[];
        unchanged: string[];
    }>;
    /**
     * List currently registered agent IDs.
     */
    list(): Promise<string[]>;
}
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