import { Tool } from '@modelcontextprotocol/sdk/types.js';
import { ContentStore } from '../lib/content-store.js';
import { HistoryStore } from '../lib/history.js';
export interface ToolContext {
    historyStore: HistoryStore;
    contentStore?: ContentStore;
    sessionsPath?: string;
    currentSessionId?: string;
    /**
     * Directories `read_file` is confined to (task 136). Undefined = unrestricted.
     * Computed by readFileRootsForThread() in lib/gateway.ts; enforced here so a
     * future wiring site cannot forget the check.
     */
    readFileRoots?: string[];
}
/**
 * Is `target` inside one of `roots`? Segment-aware: `/a/bc` is NOT inside `/a/b`.
 * Both sides are resolved first, so `..` traversal cannot escape.
 */
export declare function isPathWithinRoots(target: string, roots: string[]): boolean;
export interface ToolResult {
    [key: string]: unknown;
    content: Array<{
        type: 'text';
        text: string;
    }>;
    isError?: boolean;
}
export declare function getToolDefinitions(): Tool[];
export declare function handleToolCall(name: string, args: Record<string, unknown> | undefined, ctx: ToolContext): Promise<ToolResult>;
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