interface Position {
    line: number;
    column: number;
    offset: number;
}
interface Token {
    type: TokenType;
    value: string;
    start: Position;
    end: Position;
}
declare enum TokenType {
    STRING = "STRING",
    NUMBER = "NUMBER",
    INTEGER = "INTEGER",
    BOOLEAN = "BOOLEAN",
    NULL = "NULL",
    IDENTIFIER = "IDENTIFIER",
    IF = "IF",
    ELIF = "ELIF",
    ELSE = "ELSE",
    END = "END",
    RANGE = "RANGE",
    IN = "IN",
    NOT = "NOT",
    TRUE = "TRUE",
    FALSE = "FALSE",
    EQ = "EQ",// ==
    NE = "NE",// !=
    GT = "GT",// >
    LT = "LT",// <
    GTE = "GTE",// >=
    LTE = "LTE",// <=
    AND = "AND",// &&
    OR = "OR",// ||
    DEFAULT = "DEFAULT",// ??
    ASSIGN = "ASSIGN",// :=
    COLON = "COLON",// :
    DOT = "DOT",// .
    COMMA = "COMMA",// ,
    QUESTION = "QUESTION",// ?
    SQUOTE = "SQUOTE",// '
    UNDERSCORE = "UNDERSCORE",// _
    LPAREN = "LPAREN",// (
    RPAREN = "RPAREN",// )
    LBRACE = "LBRACE",// {
    RBRACE = "RBRACE",// }
    LBRACKET = "LBRACKET",// [
    RBRACKET = "RBRACKET",// ]
    DQUOTE = "DQUOTE",// "
    TEMPLATE_START = "TEMPLATE_START",// {{
    TEMPLATE_END = "TEMPLATE_END",// }}
    STRING_LITERAL = "STRING_LITERAL",
    EOF = "EOF",
    NEWLINE = "NEWLINE",
    WHITESPACE = "WHITESPACE",
    COMMENT = "COMMENT"
}
declare function tokenizeKriti(input: string): Token[];

interface ASTNode {
    type: string;
    start: Position;
    end: Position;
}
interface LiteralNode extends ASTNode {
    type: 'Literal';
    valueType: 'string' | 'number' | 'integer' | 'boolean' | 'null';
    value: string | number | boolean | null;
}
interface IdentifierNode extends ASTNode {
    type: 'Identifier';
    name: string;
}
interface VariableNode extends ASTNode {
    type: 'Variable';
    name: string;
}
interface BinaryExpressionNode extends ASTNode {
    type: 'BinaryExpression';
    operator: '==' | '!=' | '>' | '<' | '>=' | '<=' | '&&' | '||' | 'in' | '??';
    left: ExpressionNode;
    right: ExpressionNode;
}
interface UnaryExpressionNode extends ASTNode {
    type: 'UnaryExpression';
    operator: 'not';
    operand: ExpressionNode;
}
interface FieldAccessNode extends ASTNode {
    type: 'FieldAccess';
    object: ExpressionNode;
    field: string | ExpressionNode;
    computed: boolean;
    optional: boolean;
}
interface OptionalChainNode extends ASTNode {
    type: 'OptionalChain';
    object: ExpressionNode;
    chain: Array<{
        type: 'field' | 'computed';
        value: string | ExpressionNode;
    }>;
}
interface FunctionCallNode extends ASTNode {
    type: 'FunctionCall';
    name: string;
    argument: ExpressionNode;
}
interface ArrayNode extends ASTNode {
    type: 'Array';
    elements: ExpressionNode[];
}
interface ObjectNode extends ASTNode {
    type: 'Object';
    properties: Array<{
        key: ExpressionNode;
        value: ExpressionNode;
    }>;
}
interface StringTemplateNode extends ASTNode {
    type: 'StringTemplate';
    parts: Array<LiteralNode | ExpressionNode>;
}
interface ConditionalNode extends ASTNode {
    type: 'Conditional';
    condition: ExpressionNode;
    thenExpression: ExpressionNode;
    elifs: Array<{
        condition: ExpressionNode;
        expression: ExpressionNode;
    }>;
    elseExpression: ExpressionNode;
}
interface RangeNode extends ASTNode {
    type: 'Range';
    index: string | null;
    variable: string;
    iterable: ExpressionNode;
    body: ExpressionNode;
}
interface TemplateExpressionNode extends ASTNode {
    type: 'TemplateExpression';
    expression: ExpressionNode;
}
type ExpressionNode = LiteralNode | IdentifierNode | VariableNode | BinaryExpressionNode | UnaryExpressionNode | FieldAccessNode | OptionalChainNode | FunctionCallNode | ArrayNode | ObjectNode | StringTemplateNode | ConditionalNode | RangeNode | TemplateExpressionNode;

type RuntimeValue = string | number | boolean | null | RuntimeValue[] | RuntimeObject | undefined;
interface RuntimeObject {
    [key: string]: RuntimeValue;
}
interface EvaluationContext {
    variables: Map<string, RuntimeValue>;
    functions: Map<string, CustomFunction>;
    parent?: EvaluationContext;
}
type CustomFunction = (arg: RuntimeValue, context: EvaluationContext) => RuntimeValue;
declare function evaluateKriti(node: ExpressionNode, variables?: RuntimeObject, customFunctions?: Map<string, CustomFunction>): RuntimeValue;

declare function parseKriti(tokens: Token[]): ExpressionNode;

declare function evaluate(input: string, variables?: RuntimeObject, customFunctions?: Map<string, CustomFunction>): RuntimeValue;

export { evaluate, evaluateKriti as evaluateAST, parseKriti as parseTokens, tokenizeKriti as tokenize };