/**
 * Server-Side Enforcement Layer
 *
 * Advisory warnings that surface in tool responses when the agent
 * hasn't followed the recall → confirm → act protocol.
 *
 * Design principles:
 * - Advisory, not blocking: warnings append to responses, never prevent execution
 * - Zero overhead on compliant calls: only fires when state is missing
 * - Universal: works in ALL MCP clients, no IDE hooks needed
 * - Lightweight: pure in-memory checks, no I/O
 */
export interface EnforcementResult {
    /** Warning text to prepend to tool response (null = clean, no warning) */
    warning: string | null;
}
/**
 * Run pre-dispatch enforcement checks for a tool call.
 *
 * Returns a warning string to prepend to the response, or null if clean.
 * Never blocks execution — always advisory.
 */
export declare function checkEnforcement(toolName: string): EnforcementResult;
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