export interface FileTypeDefinition {
    name: string;
    magicBytes: string[];
    mimeType: string;
    extensions: string[];
    offset?: number;
    description?: string;
    category?: string;
    charset?: string;
    contentType?: string;
}
export declare const FILE_TYPES: FileTypeDefinition[];
export type ContentTypeMapping = [string[], string] | [string[], string, string];
export declare const CONTENT_TYPE_MAPPINGS: ContentTypeMapping[];
export declare function getFileTypeByMagicBytes(magicBytes: string, offset?: number): FileTypeDefinition | null;
export declare function getFileTypeByExtension(extension: string): FileTypeDefinition[];
export declare function getFileTypesByCategory(category: string): FileTypeDefinition[];
export declare function getContentTypeByExtension(extension: string): string | null;
export declare function detectCharset(buffer: Buffer): string;
export declare function getContentTypeForExtension(extension: string, charset?: string): string | null;
export interface DetectionResult {
    name: string;
    mimeType: string;
    extensions: string[];
    charset: string;
    contentType: string;
    confidence: number;
}