import { TokenType } from '../lexer/token.js';
export declare enum NodeType {
    statement = "statement",
    clause = "clause",
    set_operation = "set_operation",
    function_call = "function_call",
    array_subscript = "array_subscript",
    property_access = "property_access",
    parenthesis = "parenthesis",
    between_predicate = "between_predicate",
    case_expression = "case_expression",
    case_when = "case_when",
    case_else = "case_else",
    limit_clause = "limit_clause",
    all_columns_asterisk = "all_columns_asterisk",
    literal = "literal",
    identifier = "identifier",
    keyword = "keyword",
    parameter = "parameter",
    operator = "operator",
    comma = "comma",
    line_comment = "line_comment",
    block_comment = "block_comment"
}
interface BaseNode {
    leadingComments?: CommentNode[];
    trailingComments?: CommentNode[];
}
export interface StatementNode extends BaseNode {
    type: NodeType.statement;
    children: AstNode[];
    hasSemicolon: boolean;
}
export interface ClauseNode extends BaseNode {
    type: NodeType.clause;
    nameKw: KeywordNode;
    children: AstNode[];
}
export interface SetOperationNode extends BaseNode {
    type: NodeType.set_operation;
    nameKw: KeywordNode;
    children: AstNode[];
}
export interface FunctionCallNode extends BaseNode {
    type: NodeType.function_call;
    nameKw: KeywordNode;
    parenthesis: ParenthesisNode;
}
export interface ArraySubscriptNode extends BaseNode {
    type: NodeType.array_subscript;
    array: IdentifierNode | KeywordNode;
    parenthesis: ParenthesisNode;
}
export interface ParenthesisNode extends BaseNode {
    type: NodeType.parenthesis;
    children: AstNode[];
    openParen: string;
    closeParen: string;
}
export interface BetweenPredicateNode extends BaseNode {
    type: NodeType.between_predicate;
    betweenKw: KeywordNode;
    expr1: AstNode[];
    andKw: KeywordNode;
    expr2: AstNode[];
}
export interface CaseExpressionNode extends BaseNode {
    type: NodeType.case_expression;
    caseKw: KeywordNode;
    endKw: KeywordNode;
    expr: AstNode[];
    clauses: (CaseWhenNode | CaseElseNode)[];
}
export interface CaseWhenNode extends BaseNode {
    type: NodeType.case_when;
    whenKw: KeywordNode;
    thenKw: KeywordNode;
    condition: AstNode[];
    result: AstNode[];
}
export interface CaseElseNode extends BaseNode {
    type: NodeType.case_else;
    elseKw: KeywordNode;
    result: AstNode[];
}
export interface LimitClauseNode extends BaseNode {
    type: NodeType.limit_clause;
    limitKw: KeywordNode;
    count: AstNode[];
    offset?: AstNode[];
}
export interface AllColumnsAsteriskNode extends BaseNode {
    type: NodeType.all_columns_asterisk;
}
export interface LiteralNode extends BaseNode {
    type: NodeType.literal;
    text: string;
}
export interface PropertyAccessNode extends BaseNode {
    type: NodeType.property_access;
    object: AstNode;
    property: IdentifierNode | ArraySubscriptNode | AllColumnsAsteriskNode;
}
export interface IdentifierNode extends BaseNode {
    type: NodeType.identifier;
    text: string;
}
export interface KeywordNode extends BaseNode {
    type: NodeType.keyword;
    tokenType: TokenType;
    text: string;
    raw: string;
}
export interface ParameterNode extends BaseNode {
    type: NodeType.parameter;
    key?: string;
    text: string;
}
export interface OperatorNode extends BaseNode {
    type: NodeType.operator;
    text: string;
}
export interface CommaNode extends BaseNode {
    type: NodeType.comma;
}
export interface LineCommentNode extends BaseNode {
    type: NodeType.line_comment;
    text: string;
    precedingWhitespace: string;
}
export interface BlockCommentNode extends BaseNode {
    type: NodeType.block_comment;
    text: string;
    precedingWhitespace: string;
}
export declare type CommentNode = LineCommentNode | BlockCommentNode;
export declare type AstNode = ClauseNode | SetOperationNode | FunctionCallNode | ArraySubscriptNode | PropertyAccessNode | ParenthesisNode | BetweenPredicateNode | CaseExpressionNode | CaseWhenNode | CaseElseNode | LimitClauseNode | AllColumnsAsteriskNode | LiteralNode | IdentifierNode | KeywordNode | ParameterNode | OperatorNode | CommaNode | LineCommentNode | BlockCommentNode;
export {};