import { NodeProp, SyntaxNode } from "lezer-tree";
import { EditorState, Extension, Facet } from "@codemirror/next/state";
import { Line } from "@codemirror/next/text";
export declare const indentService: Facet<(context: IndentContext, pos: number) => number | null, readonly ((context: IndentContext, pos: number) => number | null)[]>;
export declare const indentUnit: Facet<string, string>;
export declare function getIndentUnit(state: EditorState): number;
export declare function indentString(state: EditorState, cols: number): string;
export declare function getIndentation(context: IndentContext | EditorState, pos: number): number | null;
export declare class IndentContext {
    readonly state: EditorState;
    unit: number;
    constructor(state: EditorState, options?: {
        overrideIndentation?: (pos: number) => number;
        simulateBreak?: number;
        simulateDoubleBreak?: boolean;
    });
    textAfterPos(pos: number): string;
    column(pos: number): number;
    countColumn(line: string, pos: number): number;
    lineIndent(line: Line): number;
}
export declare const indentNodeProp: NodeProp<(context: TreeIndentContext) => number | null>;
export declare class TreeIndentContext extends IndentContext {
    readonly pos: number;
    readonly node: SyntaxNode;
    get textAfter(): string;
    get baseIndent(): number;
}
export declare function delimitedIndent({ closing, align, units }: {
    closing: string;
    align?: boolean;
    units?: number;
}): (context: TreeIndentContext) => number;
export declare const flatIndent: (context: TreeIndentContext) => number;
export declare function continuedIndent({ except, units }?: {
    except?: RegExp;
    units?: number;
}): (context: TreeIndentContext) => number;
export declare function indentOnInput(): Extension;
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