import type { AssistantMessage, ToolResultMessage } from "../types";
/** Runtime settings for cross-turn tool-call repetition detection. */
export interface ToolCallLoopGuardOptions {
    readonly threshold: number;
    readonly exemptTools: readonly string[];
}
/** A completed assistant turn plus the tool results it produced. */
export interface ToolCallLoopTurn {
    readonly message: AssistantMessage;
    readonly toolResults: readonly ToolResultMessage[];
}
/** Details needed to steer the model away from a repeated tool call. */
export interface RepeatedToolCallDetection {
    readonly kind: "repeated_tool_call";
    readonly toolName: string;
    readonly count: number;
    readonly resultSummary: string;
    readonly argumentsSummary: string;
}
/** Detects consecutive identical assistant tool calls across model turns. */
export declare class ToolCallLoopGuard {
    #private;
    constructor(options: ToolCallLoopGuardOptions);
    /** Records one completed turn and returns the threshold hit, if any. */
    recordTurn(turn: ToolCallLoopTurn): RepeatedToolCallDetection | null;
}