export type SourceLocation = {
    line: number;
    col: number;
    start: number;
    end: number;
    /** Set when a node was grafted in rather than written by hand, so an
     *  error in generated code can name who is responsible. For a template
     *  fill, `name` is the hole the content came through; for a compile-time
     *  splice, it is the generator that produced it. */
    origin?: {
        kind: "template" | "filler" | "splice";
        name: string;
    };
};
export type BaseNode = {
    loc?: SourceLocation;
};