export interface Location {
    end: number;
    start: number;
}
/**
 * Whitespace-control flags for a single tag, set when `~` appears just inside
 * a delimiter. `left` strips the preceding text's trailing whitespace; `right`
 * strips the following text's leading whitespace.
 */
export interface Trim {
    left?: boolean;
    right?: boolean;
}
/**
 * Whitespace-control flags for a block, whose three tags (open, close, and an
 * optional `else` divider) can each carry their own `~`.
 */
export interface BlockTrim {
    close?: Trim;
    else?: Trim;
    open?: Trim;
}
export interface TextStatement {
    loc: Location;
    type: 'TEXT';
    value: string;
}
export interface CommentStatement {
    loc: Location;
    trim?: Trim;
    type: 'COMMENT';
    value: string;
}
export type ValueStatement = ExpressionStatement | LiteralStatement | VariableStatement;
export interface ExpressionStatement {
    hash?: Record<string, ValueStatement>;
    loc: Location;
    params: ValueStatement[];
    path: string;
    type: 'EXPRESSION';
}
export interface MustacheStatement {
    expression: ValueStatement;
    loc: Location;
    trim?: Trim;
    type: 'MUSTACHE';
}
export interface BlockStatement {
    blockParams?: string[];
    elseStatements?: Statement[];
    expression: ExpressionStatement;
    isNegated: boolean;
    isNested?: boolean;
    loc: Location;
    statements: Statement[];
    trim?: BlockTrim;
    type: 'BLOCK';
}
export interface TemplateStatement {
    loc: Location;
    statements: Statement[];
    type: 'TEMPLATE';
    version: number;
}
export interface LiteralStatement {
    loc: Location;
    type: 'LITERAL';
    value: boolean | number | string | null | undefined;
}
export interface VariableStatement {
    loc: Location;
    name: string;
    type: 'VARIABLE';
}
export interface AssignmentStatement {
    expression: ValueStatement;
    loc: Location;
    trim?: Trim;
    type: 'ASSIGNMENT';
    variable: VariableStatement;
}
export type Statement = AssignmentStatement | BlockStatement | CommentStatement | ExpressionStatement | LiteralStatement | MustacheStatement | TemplateStatement | TextStatement | VariableStatement;