/**
 * Handlebars Lexer
 * Tokenizes Handlebars template syntax: {{expr}}, {{#if}}, {{/if}}, {{>partial}}
 */
export declare enum HbsTokenType {
    TEXT = "TEXT",
    OPEN = "OPEN",// {{
    OPEN_BLOCK = "OPEN_BLOCK",// {{#
    OPEN_END = "OPEN_END",// {{/
    OPEN_PARTIAL = "OPEN_PARTIAL",// {{>
    OPEN_UNESCAPED = "OPEN_UNESCAPED",// {{{
    OPEN_COMMENT = "OPEN_COMMENT",// {{!
    CLOSE = "CLOSE",// }}
    CLOSE_UNESCAPED = "CLOSE_UNESCAPED",// }}}
    ID = "ID",// identifier
    STRING = "STRING",
    NUMBER = "NUMBER",
    BOOLEAN = "BOOLEAN",
    DOT = "DOT",
    DOTDOT = "DOTDOT",// ..
    SLASH = "SLASH",
    EQUALS = "EQUALS",
    PIPE = "PIPE",
    EOF = "EOF"
}
export interface HbsToken {
    type: HbsTokenType;
    value: string;
    line: number;
    column: number;
}
export declare class HandlebarsLexer {
    private source;
    private pos;
    private line;
    private column;
    private tokens;
    constructor(source: string);
    tokenize(): HbsToken[];
    private scanToken;
    private scanText;
    private scanExpression;
    private scanExpressionToken;
    private scanString;
    private scanNumber;
    private scanIdentifier;
    private scanComment;
    private scanBlockComment;
    private isAtEnd;
    private peek;
    private peekNext;
    private advance;
    private check;
    private match;
    private skipWhitespace;
    private isDigit;
    private isAlpha;
    private isAlphaNumeric;
    private addToken;
}
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