import { TextDocument } from 'vscode-languageserver-textdocument';
import { ColorPresentation } from 'vscode-languageserver/node';
export declare function onColorPresentation({ textDoc, start, end, r, g, b }: {
    textDoc: TextDocument;
    start: number;
    end: number;
    r: number;
    g: number;
    b: number;
    a: number;
}): ColorPresentation[] | null;