import { ToolResult } from './handler.interface.js';
import type { RunContext } from './run-context.interface.js';
export interface ToolExecutionContext {
    tool: object;
    args: Record<string, unknown> | undefined;
    runContext: RunContext;
    metadata: Record<string, unknown>;
}
export interface ToolInterceptor {
    intercept(context: ToolExecutionContext, next: () => Promise<ToolResult>): Promise<ToolResult>;
}
export declare const TOOL_INTERCEPTOR_METADATA_KEY = "loopstack:tool-interceptor";
export declare function UseToolInterceptor(options?: {
    priority?: number;
}): ClassDecorator;
export type ToolExecutionInterceptor = ToolInterceptor;
export declare const TOOL_INTERCEPTORS = "TOOL_INTERCEPTORS";
export declare const TOOL_EXECUTION_INTERCEPTORS = "TOOL_INTERCEPTORS";
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