import type { ToolCall } from "../../../types.js";
export interface LoopGuardVerdict {
    readonly block: boolean;
    readonly kind?: string | undefined;
    readonly reason?: string | undefined;
}
export interface ToolGuardInput {
    readonly call: ToolCall;
    readonly narrowNmapOperation: boolean;
    readonly narrowNmapDispatched: number;
    readonly heldBatchReminder: string | undefined;
}
export interface ToolGuardLoopInput {
    readonly verdict: LoopGuardVerdict;
    readonly priorObservation: string | undefined;
}
export type ToolGuardDecision = {
    readonly kind: "proceed";
    readonly consumesNarrowNmapScan: boolean;
} | {
    readonly kind: "reject";
    readonly reason: string;
} | {
    readonly kind: "hold";
    readonly reason: string;
} | {
    readonly kind: "reuse";
    readonly reason: string;
} | {
    readonly kind: "warn-reject";
    readonly reason: string;
} | {
    readonly kind: "loop-reset";
};
export interface RetryReason {
    readonly code: string;
    readonly detail: string;
}
export declare const readRetryReason: (args: Record<string, unknown>) => RetryReason | undefined;
export declare const evaluateToolGuards: (input: ToolGuardInput) => ToolGuardDecision;
export declare const evaluateLoopGuardBlock: (call: ToolCall, loop: ToolGuardLoopInput) => ToolGuardDecision;
export declare const LOOP_RESET_OUTPUT = "Loop guard counters reset. You may re-run commands freely.";