import type { SourceSpan } from '../errors/diagnostic.js';
export declare enum TokenType {
    StringLiteral = "StringLiteral",
    NumberLiteral = "NumberLiteral",
    BooleanLiteral = "BooleanLiteral",
    Identifier = "Identifier",
    DashboardKeyword = "DashboardKeyword",
    WorkbookKeyword = "WorkbookKeyword",
    PageKeyword = "PageKeyword",
    LetKeyword = "LetKeyword",
    ParamKeyword = "ParamKeyword",
    ChartKeyword = "ChartKeyword",
    FilterKeyword = "FilterKeyword",
    IntervalKeyword = "IntervalKeyword",
    ImportKeyword = "ImportKeyword",
    FromKeyword = "FromKeyword",
    UseKeyword = "UseKeyword",
    LayoutKeyword = "LayoutKeyword",
    RowKeyword = "RowKeyword",
    BlockKeyword = "BlockKeyword",
    TermKeyword = "TermKeyword",
    TermsKeyword = "TermsKeyword",
    BusinessViewKeyword = "BusinessViewKeyword",
    IncludesKeyword = "IncludesKeyword",
    DomainKeyword = "DomainKeyword",
    TypeKeyword = "TypeKeyword",
    DescriptionKeyword = "DescriptionKeyword",
    TagsKeyword = "TagsKeyword",
    OwnerKeyword = "OwnerKeyword",
    QueryKeyword = "QueryKeyword",
    VisualizationKeyword = "VisualizationKeyword",
    TestsKeyword = "TestsKeyword",
    ParamsKeyword = "ParamsKeyword",
    AssertKeyword = "AssertKeyword",
    VarKeyword = "VarKeyword",
    DefaultKeyword = "DefaultKeyword",
    MetricKeyword = "MetricKeyword",
    MetricsKeyword = "MetricsKeyword",
    DimensionsKeyword = "DimensionsKeyword",
    DigestKeyword = "DigestKeyword",
    NarrativeKeyword = "NarrativeKeyword",
    ColonToken = "ColonToken",
    TripleQuoteString = "TripleQuoteString",
    GreaterThan = "GreaterThan",
    LessThan = "LessThan",
    GreaterThanOrEqual = "GreaterThanOrEqual",
    LessThanOrEqual = "LessThanOrEqual",
    DoubleEquals = "DoubleEquals",
    NotEquals = "NotEquals",
    InKeyword = "InKeyword",
    SQLFragment = "SQLFragment",
    AtSign = "AtSign",
    LeftParen = "LeftParen",
    RightParen = "RightParen",
    LeftBrace = "LeftBrace",
    RightBrace = "RightBrace",
    LeftBracket = "LeftBracket",
    RightBracket = "RightBracket",
    Comma = "Comma",
    Dot = "Dot",
    Equals = "Equals",
    Plus = "Plus",
    Minus = "Minus",
    Star = "Star",
    Comment = "Comment",
    Newline = "Newline",
    EOF = "EOF"
}
export interface Token {
    type: TokenType;
    value: string;
    span: SourceSpan;
}
export declare function lookupKeyword(identifier: string): TokenType;
export declare const CHART_TYPES: Set<string>;
export declare const CHART_TYPE_ALIASES: Record<string, string>;
export declare function normalizeChartType(chartType: string): string;
export declare const FILTER_TYPES: Set<string>;
export declare const SQL_START_KEYWORDS: Set<string>;
//# sourceMappingURL=token.d.ts.map