import { z } from "zod";
import type { PlcReadResult, PlcStateResult, PlcWriteModeResult, TwinCatAdsRuntime } from "twincat-mcp-core";
import type { ExtensionRuntimeConfig } from "../config.js";
declare const emptyInputSchema: z.ZodObject<{}, "strict", z.ZodTypeAny, {}, {}>;
declare const toolCallInputSchema: z.ZodObject<{
    toolName: z.ZodString;
    arguments: z.ZodOptional<z.ZodUnknown>;
}, "strict", z.ZodTypeAny, {
    toolName: string;
    arguments?: unknown;
}, {
    toolName: string;
    arguments?: unknown;
}>;
export interface HookHandlerContext {
    readonly runtime: TwinCatAdsRuntime;
    readonly config: ExtensionRuntimeConfig;
}
export interface HookSuccessResult<TOutput> {
    readonly ok: true;
    readonly data: TOutput;
}
export interface HookFailureResult {
    readonly ok: false;
    readonly error: {
        readonly message: string;
        readonly code: "HOOK_INPUT_INVALID" | "HOOK_EXECUTION_FAILED";
    };
}
export type HookExecutionResult<TOutput> = HookSuccessResult<TOutput> | HookFailureResult;
export interface HookDefinition<TInput, TOutput> {
    readonly name: string;
    readonly description: string;
    readonly inputSchema: z.ZodType<TInput>;
    execute(rawInput: unknown, context: HookHandlerContext): Promise<HookExecutionResult<TOutput>>;
}
export interface SessionStartHookOutput {
    readonly connected: true;
    readonly state: PlcStateResult;
    readonly snapshotCount: number;
    readonly failedSnapshots: string[];
}
export interface AgentStartHookOutput {
    readonly summary: {
        readonly state: PlcStateResult;
        readonly snapshots: PlcReadResult[];
        readonly failedSnapshots: string[];
        readonly watches: ReturnType<TwinCatAdsRuntime["listWatches"]>;
    };
}
export interface ContextHookOutput {
    readonly context: {
        readonly snapshots: PlcReadResult[];
        readonly failedSnapshots: string[];
        readonly watchCount: number;
        readonly writeMode: PlcWriteModeResult;
    };
}
export interface ToolCallHookOutput {
    readonly allow: boolean;
    readonly requiresConfirmation: boolean;
    readonly reason?: string;
    readonly writeMode: PlcWriteModeResult;
}
export interface SessionEndHookOutput {
    readonly disconnected: true;
}
export declare function createHookDefinitions(): HookDefinition<unknown, unknown>[];
export { emptyInputSchema, toolCallInputSchema };