/**
 * Shared helpers for cortex-engine tool handlers.
 */
import type { ToolDefinition, ToolContext } from '../mcp/tools.js';
import type { Memory } from '../core/types.js';
export declare function str(args: Record<string, unknown>, key: string): string;
export declare function optStr(args: Record<string, unknown>, key: string): string | undefined;
export declare function optNum(args: Record<string, unknown>, key: string, def: number): number;
export declare function optBool(args: Record<string, unknown>, key: string, def: boolean): boolean;
/** Check bridges for a given event in a source namespace. */
export declare function fireBridges(ctx: ToolContext, sourceNamespace: string, event: string, eventData: Record<string, unknown>, allTools: ToolDefinition[]): Promise<void>;
/** Fire ingestion triggers for a given event in a namespace. */
export declare function fireTriggers(ctx: ToolContext, namespace: string, event: string, content: string, metadata: Record<string, unknown>, allTools: ToolDefinition[]): Promise<void>;
/**
 * epistemicScore — score a memory by information-gain potential.
 * Higher = more worth visiting (under-explored, uncertain, goal-adjacent, stale).
 */
export declare function epistemicScore(memory: Memory): number;
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