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import {MatchResult, Grammar, Semantics} from 'ohm-js';
interface LineAndColumnInfo {  offset: number;  lineNumber: number;  colNum: number;  line: string;  prevLine: string;  nextLine: string;  toString(...ranges: number[][]): string;}
export function toAST(matchResult: MatchResult, mapping?: {}): {};export function semanticsForToAST(g: Grammar): Semantics;
/** * Returns contextual information (line and column number, etc.) about a * specific character in a string. */export function getLineAndColumn(str: string, offset: number): LineAndColumnInfo;
/** * Returns a nicely-formatted message (appropriate for syntax errors, etc.) * pointing to a specific character within a string. Optionally, one or more * ranges within the string can also be highlighted. */export function getLineAndColumnMessage(  str: string,  offset: number,  ...ranges: number[][]): string;