import type { DeclarationKind } from './types';
/**
 * Normalize output content
 */
export declare function normalizeOutput(content: string, config?: OutputNormalizerConfig): string;
/**
 * Normalize line endings
 */
export declare function normalizeLineEndings(content: string, style: LineEnding): string;
/**
 * Detect current line ending style
 */
export declare function detectLineEnding(content: string): LineEnding;
/**
 * Remove trailing whitespace from all lines
 */
export declare function removeTrailingWhitespace(content: string): string;
/**
 * Normalize blank lines (limit consecutive blank lines)
 */
export declare function normalizeBlankLines(content: string, max: number): string;
/**
 * Ensure content ends with exactly one newline
 */
export declare function ensureTrailingNewline(content: string): string;
/**
 * Normalize indentation
 */
export declare function normalizeIndent(content: string, config: { style?: 'spaces' | 'tabs', size?: number }): string;
/**
 * Process and organize imports
 */
export declare function processImports(content: string, config: ImportGrouping): string;
/**
 * Order declarations by kind
 */
export declare function orderDeclarations(content: string, config: DeclarationOrder): string;
/**
 * Preserve and format comments
 */
export declare function preserveCommentFormatting(content: string): string;
/**
 * Create a configured normalizer
 */
export declare function createOutputNormalizer(config?: OutputNormalizerConfig): {
  normalize: (content: string) => string
  normalizeLineEndings: (content: string) => string
  removeTrailingWhitespace: typeof removeTrailingWhitespace
  normalizeBlankLines: (content: string) => string
  ensureTrailingNewline: typeof ensureTrailingNewline
  processImports: (content: string) => string
  orderDeclarations: (content: string) => string
};
/**
 * Default declaration order
 */
export declare const DEFAULT_DECLARATION_ORDER: DeclarationKind[];
/**
 * Default import group order
 */
export declare const DEFAULT_IMPORT_GROUP_ORDER: ImportGroupType[];
/**
 * Preset configurations
 */
export declare const normalizerPresets: {
  /** Default preset - LF, trailing newline, basic cleanup */
  default: unknown;
  /** Minimal preset - just line endings and trailing newline */
  minimal: unknown;
  /** Strict preset - all normalization enabled */
  strict: unknown;
  /** Windows preset - CRLF line endings */
  windows: unknown;
  /** Tabs preset - use tabs for indentation */
  tabs: unknown
};
/**
 * Declaration ordering configuration
 */
export declare interface DeclarationOrder {
  kinds?: DeclarationKind[]
  alphabetize?: boolean
  groupExports?: boolean
}
/**
 * Import grouping configuration
 */
export declare interface ImportGrouping {
  enabled?: boolean
  groups?: ImportGroupType[]
  separateGroups?: boolean
  alphabetize?: boolean
}
/**
 * Output normalizer configuration
 */
export declare interface OutputNormalizerConfig {
  lineEnding?: LineEnding
  trailingNewline?: boolean
  maxBlankLines?: number
  trimTrailingWhitespace?: boolean
  normalizeIndentation?: boolean
  indent?: {
    style?: 'spaces' | 'tabs'
    size?: number
  }
  declarationOrder?: DeclarationOrder
  importGrouping?: ImportGrouping
  preserveComments?: boolean
  insertFinalNewline?: boolean
}
/**
 * Line ending style
 */
export type LineEnding = 'lf' | 'crlf' | 'auto';
export type ImportGroupType = | 'builtin' // node:* modules
  | 'external' // npm packages
  | 'scoped' // @org/* packages
  | 'internal' // @/* or ~/* aliases
  | 'parent' // ../* imports
  | 'sibling' // ./* imports
  | 'index' // . or ./index
  | 'type' // import type;