/**
 * src/core/SafetyGuard.ts
 *
 * Enforces safety limits on agent execution. Every tool invocation, stream
 * event, and session duration is counted and capped. Loop detection prevents
 * runaway edits to the same file.
 *
 * Implements docs/architecture/built-in-tools.md safety caps and
 * docs/architecture/operating-modes.md permission profiles.
 */
import type { PermissionProfile } from '../members/types.ts';
export interface SafetyCaps {
    maxStreamEvents: number;
    maxToolInvocations: number;
    maxSessionRuntimeMs: number;
    maxFileEditsPerFile: number;
    maxTerminalCommands: number;
    maxWebSearches: number;
}
export declare class SafetyLimitError extends Error {
    constructor(limit: string, current: number, max: number);
}
export declare class LoopDetectedError extends Error {
    constructor(filePath: string, edits: number);
}
export declare class CatastrophicCommandError extends Error {
    constructor(command: string);
}
export declare class SafetyGuard {
    private profile;
    private caps;
    private sessionStart;
    private streamEvents;
    private toolInvocations;
    private terminalCommands;
    private webSearches;
    private fileEditCounts;
    private loopThreshold;
    constructor(caps?: Partial<SafetyCaps>, profile?: PermissionProfile);
    /** Check whether a terminal command is permitted given the profile. */
    checkCommand(command: string): void;
    /** Count a tool invocation and check the cap. */
    countToolInvocation(): void;
    /** Count a stream event and check the cap. */
    countStreamEvent(): void;
    /** Check session runtime. */
    checkSessionRuntime(): void;
    /** Register a file edit for loop detection. */
    registerFileEdit(filePath: string): void;
    /** Register a web search. */
    registerWebSearch(): void;
    /** Whether a file has exceeded the loop threshold. */
    hasLoop(filePath: string): boolean;
    /** Remaining budget summary. */
    remainingBudget(): Record<string, string>;
    /** Reset all counters for a new session. */
    reset(): void;
}
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