export default class RouteContentTypes {
    private contentTypes;
    /** Generate Content Type Block */
    constructor(
    /** Content Types to import */ contentTypes?: Record<string, string>);
    /**
     * Add A File -> Content Type Mapping
     * @example
     * ```
     * const controller = new Server({ })
     *
     * controller.contentTypes((cT) => cT
     *   .add('.png', 'image/png')
     * )
     * ```
     * @since 5.3.0
    */ add(
    /** The File ending to apply this to */ ending: string, 
    /** The Content Type to add to it */ contentType: string): this;
    /**
     * Internal Method for Generating Content Types Object
     * @since 5.3.0
    */ getData(): {
        contentTypes: Record<string, string>;
    };
}