import { LitElement } from "lit";
import "./shw-markdown";
/**
 * Shows code or a supplied unified diff, with optional source line numbers and notes.
 *
 * @element shw-code
 */
export declare class ShwCode extends LitElement {
    #private;
    static properties: {
        filename: {
            type: StringConstructor;
        };
        language: {
            type: StringConstructor;
        };
        lineNumbers: {
            type: BooleanConstructor;
            attribute: string;
        };
        highlight: {
            type: StringConstructor;
        };
        annotations: {
            type: StringConstructor;
        };
    };
    static styles: import("lit").CSSResult[];
    /** Optional filename shown above the code. */
    filename: string;
    /** Syntax language: html, js, ts, json, or diff for a supplied unified diff. */
    language: string;
    /** Show 1-based positions in the displayed source, including diff headers. */
    lineNumbers: boolean;
    /** Source lines to emphasize, for example 2,4-6. */
    highlight: string;
    /** JSON array of { start, end?, text } notes. Text is safe Markdown; lines are 1-based. */
    annotations: string;
    protected render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "shw-code": ShwCode;
    }
}