import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
export declare const CRYSTAL_LOCKED = "CRYSTAL_LOCKED";
type CrystalToolResult = {
    isError?: boolean | undefined;
    content?: {
        type: string;
        text?: string;
    }[] | undefined;
    structuredContent?: Record<string, unknown> | undefined;
};
export declare function isCrystalLockedResult(result: CrystalToolResult): boolean;
export declare function callCrystalTool(home: string, name: string, args: Record<string, unknown>): Promise<{
    content: {
        type: "text";
        text: string;
    }[];
    structuredContent: {
        code: string;
    };
    isError: boolean;
} | {
    isError?: boolean;
    content: {
        text: string;
        type: "text";
    }[];
    structuredContent?: never;
}>;
export declare function registerCrystalTools(server: McpServer, home: string, options?: {
    crystalMirrorStore?: import('./hook-queue.js').CrystalMirrorStoreFactory;
}): void;
export {};