export interface MarkdownSourceSelection {
    start: number;
    end: number;
    direction: 'backward' | 'forward' | 'none';
}
export interface MarkdownSourceEdit {
    markdown: string;
    selection: MarkdownSourceSelection;
}
export interface MarkdownSourceSelectionState {
    markdown: string;
    selection: MarkdownSourceSelection;
    text: string;
}
export interface MarkdownSourceInsert {
    replacement: string;
    selectedRange: {
        start: number;
        end: number;
    };
}
export interface MarkdownSourceLink {
    label: string;
    rawLabel: string;
    range: {
        start: number;
        end: number;
    };
    source: string;
}
export type MarkdownSourceCommand = 'blockquote' | 'bold' | 'bullet-list' | 'code' | 'code-block' | 'heading-1' | 'heading-2' | 'heading-3' | 'heading-4' | 'heading-5' | 'heading-6' | 'horizontal-rule' | 'italic' | 'ordered-list' | 'paragraph' | 'strike' | 'table' | 'task-list';
export declare function isMarkdownSourceCommandActive(markdown: string, requestedSelection: MarkdownSourceSelection, command: MarkdownSourceCommand): boolean;
export declare function applyMarkdownSourceCommand(markdown: string, requestedSelection: MarkdownSourceSelection, command: MarkdownSourceCommand): MarkdownSourceEdit;
export declare function replaceMarkdownSourceSelection(markdown: string, requestedSelection: MarkdownSourceSelection, replacement: string, selectedRange?: {
    start: number;
    end: number;
}): MarkdownSourceEdit;
export declare function createMarkdownLinkSourceInsert(label: string, source: string): MarkdownSourceInsert;
export declare function createMarkdownImageSourceInsert(altText: string, source: string): MarkdownSourceInsert;
export declare function findMarkdownSourceLink(markdown: string, requestedSelection: MarkdownSourceSelection): MarkdownSourceLink | null;
export declare function createMarkdownSourceLinkRemoval(link: MarkdownSourceLink): MarkdownSourceInsert;