/**
 * AGENT-REGISTRY substrate adapter for the Living Brain API.
 *
 * Read-only visualization path. Queries the LEGACY standalone `signaldock.db`
 * (resolved by `getAgentRegistryDbPath`) and returns BrainNodes/BrainEdges for
 * agents and agent-to-agent social connections. The legacy standalone file still
 * carries the BARE table names (`agents`, `agent_connections`); the brain-package
 * read path is migrated to the consolidated `cleo.db` separately in E6 (T11249),
 * so the SQL below intentionally still targets the bare names.
 *
 * The substrate identifier + node-id prefix were renamed `signaldock` →
 * `agent-registry` under T11622 (display identifiers, decoupled from the physical
 * table names).
 *
 * Node IDs are prefixed with "agent-registry:" to prevent collisions.
 * Agents are the cross-substrate identity bridge — they appear in TASKS
 * (assignee), CONDUIT (from/to), and BRAIN (source agent).
 *
 * @task T11622 (Signaldock → Agent Registry rename; folds T11578 AC2)
 */
import type { BrainEdge, BrainNode, BrainQueryOptions } from '../types.js';
/**
 * Returns all BrainNodes and BrainEdges sourced from the Agent Registry.
 *
 * Fetches all active agents plus their declared connections.
 * Agent nodes serve as the cross-substrate identity anchors.
 *
 * @param options - Query options (limit).
 * @returns Nodes and edges from the AGENT-REGISTRY substrate.
 */
export declare function getAgentRegistrySubstrate(options?: BrainQueryOptions): {
    nodes: BrainNode[];
    edges: BrainEdge[];
};
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