/**
 * Safety Validator - Pre-flight validation checks
 *
 * Performs comprehensive safety checks before starting an exploration
 */
import type { GitState, ResourceAvailability, SafetyValidation } from '../types/exploration.types.js';
export interface SafetyValidatorConfig {
    check_docker?: boolean;
    min_disk_space_gb?: number;
    min_memory_gb_per_branch?: number;
    require_clean_tree?: boolean;
    require_updated_main?: boolean;
}
export declare class SafetyValidator {
    private config;
    private repoRoot;
    constructor(repoRoot?: string, config?: SafetyValidatorConfig);
    /**
     * Build configuration with defaults
     */
    private buildConfig;
    /**
     * Run all safety validations
     */
    validate(branches?: number): Promise<SafetyValidation>;
    /**
     * Run a safety check with error handling
     */
    private runSafetyCheck;
    /**
     * Check git repository state
     */
    private checkGitState;
    /**
     * Check Docker availability
     */
    private checkDockerAvailability;
    /**
     * Check resource availability
     */
    private checkResourceAvailability;
    /**
     * Check available disk space
     */
    private checkDiskSpace;
    /**
     * Get git repository state
     */
    getGitState(): Promise<GitState>;
    /**
     * Get resource availability
     */
    getResourceAvailability(): Promise<ResourceAvailability>;
    /**
     * Parse worktree paths from git worktree list output
     */
    private parseWorktreePaths;
}
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