import { Source } from 'html-validate';

/**
 * Represents line and column.
 *
 * @public
 * @since 1.0.0
 */
export declare interface Position {
    /** Line number (First line is 1) */
    line: number;
    /** Column number (first column is 1) */
    column: number;
}

/**
 * Given an offset into a source, calculate the corresponding line and column.
 *
 * @public
 * @since 1.0.0
 */
export declare function positionFromOffset(text: string, offset: number): [line: number, column: number];

/**
 * Compute source offset from line and column and the given markup.
 *
 * @public
 * @since 1.0.0
 * @param position - Line and column.
 * @param data - Source markup.
 * @returns The byte offset into the markup which line and column corresponds to.
 */
export declare function positionToOffset(position: Position, data: string): number;

/**
 * @public
 * @since 1.0.0
 */
export declare class TemplateExtractor {
    private ast;
    private filename;
    private data;
    private constructor();
    /**
     * Create a new [[TemplateExtractor]] from javascript source code.
     *
     * `Source` offsets will be relative to the string, i.e. offset 0 is the first
     * character of the string. If the string is only a subset of a larger string
     * the offsets must be adjusted manually.
     *
     * @param source - Source code.
     * @param filename - Optional filename to set in the resulting
     * `Source`. Defauls to `"inline"`.
     */
    static fromString(source: string, filename?: string): TemplateExtractor;
    /**
     * Extract object properties.
     *
     * Given a key `"template"` this method finds all objects literals with a
     * `"template"` property and creates a [[Source]] instance with proper offsets
     * with the value of the property. For instance:
     *
     * ```
     * const myObj = {
     *   foo: 'bar',
     * };
     * ```
     *
     * The above snippet would yield a `Source` with the content `bar`.
     *
     */
    extractObjectProperty(key: string): Source[];
}

export { }