/**
 * Session tool filter - applies per-session filtering
 */
import type { ToolDefinition } from '../../types/profile.js';
import type { SessionToolFilterRequest } from '../types.js';
import type { OperationDetector } from '../operation/operation-detector.js';
export interface SessionToolFilterResult {
    allowedToolNames: Set<string>;
    reasons: Map<string, string[]>;
    normalizedHeader: string;
}
/**
 * Applies session-based tool filtering from X-Mcp4-Tools header
 */
export declare class SessionToolFilter {
    private request;
    private detector?;
    private engine;
    constructor(request: SessionToolFilterRequest, detector?: OperationDetector | undefined);
    /**
     * Apply filter to tools
     */
    apply(tools: ToolDefinition[]): SessionToolFilterResult;
    /**
     * Build filter engine from request
     */
    private buildEngine;
}
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