import { nat } from "things";
import { Span } from "./span.js";
import { TextLines, Text } from "./textlines.js";
export type Result<T> = {
    type: T | null | undefined;
    startLine: nat;
    startColumnInclusive: nat;
    endLine: nat;
    endColumnExclusive: nat;
    children: Result<T>[];
};
export type StrictResult<T> = {
    type: T;
    startLine: nat;
    startColumnInclusive: nat;
    endLine: nat;
    endColumnExclusive: nat;
    children: Result<T>[];
};
export type ParseResult<State, T> = {
    state: State;
    result: Result<T>;
} | undefined;
export type Parser<State, T> = (state: State, lines: TextLines, line: nat, column: nat) => ParseResult<State, T>;
export declare function resultCoordinatesAreValid(startLine: nat, startColumn: nat, endLine: nat, endColumn: nat): boolean;
export declare function joinResults<T>(results: Result<T>[], type?: T | null | undefined, start?: [nat, nat], end?: [nat, nat]): Result<T>;
export declare function startOfResult<T>(result: Result<T>): [nat, nat];
export declare function endOfResult<T>(result: Result<T>): [nat, nat];
export declare function textlinesOfResult<T>(lines: TextLines, result: Result<T>): TextLines;
export declare function textOfResult<T>(lines: TextLines, result: Result<T>): Text;
export declare function printRange<T>(result: Result<T> | Span): string;
export declare function selectResults<T>(result: Result<T>, predicate: (r: StrictResult<T>) => boolean): StrictResult<T>[];
export declare function selectResult<T>(result: Result<T>, predicate: (r: StrictResult<T>) => boolean): StrictResult<T>;
export declare function selectResultsIn<T>(results: Result<T>[], predicate: (r: StrictResult<T>) => boolean): StrictResult<T>[];
export declare function selectResultIn<T>(results: Result<T>[], predicate: (r: StrictResult<T>) => boolean): StrictResult<T>;
export declare function collectResultsIn<T, F>(results: Result<T>[], filter: (r: StrictResult<T>) => F | undefined): F[];
export declare function collectResultIn<T, F>(results: Result<T>[], filter: (r: StrictResult<T>) => F | undefined): F | undefined;
export declare function pruneResult<T>(result: Result<T>, pruned: Result<T>[]): void;
export declare function printResult<T>(lines: TextLines, result: Result<T>, nameOf?: (type: T) => string, isOpaque?: (type: T) => boolean, print?: (result: string) => void): void;