import * as parser from '@babel/parser';
import * as t from '@babel/types';
import { Rule } from '../rule';
import { CategoryType, CodeFinding, SeverityLevel } from '../../types';
/**
 * Rule to enforce consistent indentation
 */
export declare class IndentationRule extends Rule {
    readonly id = "style-indentation";
    readonly name = "Indentation";
    readonly description = "Enforces consistent indentation (spaces or tabs)";
    readonly category = CategoryType.Style;
    readonly defaultSeverity = SeverityLevel.Info;
    readonly requiresAST = false;
    private readonly DEFAULT_INDENT_SIZE;
    private readonly DEFAULT_INDENT_TYPE;
    /**
     * Apply the rule to the given code
     *
     * @param code - Source code
     * @param ast - Parsed AST
     * @param filePath - Path to the file
     * @returns Array of findings
     */
    apply(code: string, _ast: parser.ParseResult<t.File>, filePath: string): CodeFinding[];
    /**
     * Apply the rule without AST parsing
     *
     * @param code - Source code
     * @param filePath - Path to the file
     * @returns Array of findings
     */
    applyWithoutAST(code: string, filePath: string): CodeFinding[];
    /**
     * Detect the indentation style used in the file
     *
     * @param code - Source code
     * @returns Indentation information
     */
    private detectIndentation;
    /**
     * Generate a suggestion for fixing inconsistent indentation type
     *
     * @param line - Original line
     * @param targetType - Target indentation type
     * @param targetSize - Target indentation size
     * @returns Suggested line
     */
    private generateIndentationTypeSuggestion;
    /**
     * Generate a suggestion for fixing inconsistent indentation size
     *
     * @param line - Original line
     * @param targetType - Target indentation type
     * @param targetSize - Target indentation size
     * @returns Suggested line
     */
    private generateIndentationSizeSuggestion;
    /**
     * Generate a suggestion for fixing mixed indentation
     *
     * @param line - Original line
     * @param targetType - Target indentation type
     * @param targetSize - Target indentation size
     * @returns Suggested line
     */
    private generateMixedIndentationSuggestion;
}