export interface ValidationFinding {
    file: string;
    type: "error" | "warning" | "info";
    message: string;
    fix?: string;
}
export interface ValidationResult {
    projectDir: string;
    findings: ValidationFinding[];
    summary: {
        errors: number;
        warnings: number;
        info: number;
        passed: boolean;
        status: "pass" | "warn" | "fail";
    };
    nextSteps: string[];
}
export interface SetupValidatorOptions {
    projectDir: string;
    /** Files to check (default: check all known files) */
    checkFiles?: string[];
    /** Skip syntax checks */
    skipSyntaxCheck?: boolean;
    /** Skip executable permission checks */
    skipPermissionCheck?: boolean;
}
export declare class SetupValidator {
    private options;
    constructor(options: SetupValidatorOptions);
    validate(): ValidationResult;
    private _checkSyntax;
    private _checkPermissions;
    /** Map ESLint rule name prefixes to npm packages */
    private static readonly ESLINT_PLUGIN_MAP;
    /** Known built-in ESLint core rules (subset) */
    private static readonly KNOWN_ESLINT_CORE_RULES;
    /** Known @typescript-eslint rules (subset) */
    private static readonly KNOWN_TS_ESLINT_RULES;
    /**
     * Combined known rule set: core + @typescript-eslint + any rule prefixed by known plugins.
     * A rule is considered "known" if it is in the known set OR has a prefix matching a known plugin.
     */
    private static isKnownRule;
    private _checkDependencies;
    /**
     * Check eslint.config.js for unknown rule names.
     * Parses the config file for `"rule-name":` patterns and flags unknown rules as warnings.
     */
    private _checkEslintRuleNames;
    /**
     * Check if lint-staged config exists in BOTH package.json and .lintstagedrc.json.
     * If both exist, add an info finding suggesting removal of .lintstagedrc.json.
     */
    private _checkLintStagedDuplication;
}
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