import type { GatewayToolExecutionContext } from './types.js';
type ExecuteToolFn = (name: string, input: Record<string, unknown>, executionContext?: GatewayToolExecutionContext | null) => Promise<unknown>;
interface PostToolHandlerConfig {
    enabled: boolean;
    contractSaveLimit?: number;
}
export declare class PostToolHandler {
    private readonly executeTool;
    private readonly enabled;
    private readonly contractSaveLimit;
    constructor(executeTool: ExecuteToolFn, config: PostToolHandlerConfig);
    /**
     * Synchronous entry point — fires background processing without blocking.
     * MUST NOT be async. MUST NOT return a Promise. MUST NOT throw.
     */
    processInBackground(toolName: string, input: unknown, result: unknown, executionContext?: GatewayToolExecutionContext | null): void;
    private processAsync;
    private isEditTool;
    private extractFilePath;
    private extractContent;
    private flattenContracts;
    private formatForMama;
    private isDuplicate;
    private saveContract;
}
export {};
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