import { TypeMismatchError } from "./utils";
export type QueryConfig = {
    /**
     * This is a union of all possible document types,
     * coming from your Sanity-generated types.
     */
    schemaTypes: {};
    /**
     * This symbol is exported by the generated Sanity types.
     * It's used to extract document types from a reference object.
     */
    referenceSymbol: symbol;
    /**
     * Represents a map of input parameter names, and their types.
     * To set this, use the `q.parameters<{ id: string }>()` syntax
     */
    parameters?: {};
};
export type SchemaDocument = {
    _type: string;
};
export type ExtractDocumentTypes<TResultItem> = Extract<TResultItem, SchemaDocument>["_type"];
export type RefType<referenceSymbol extends symbol, TTypeName> = {
    [P in referenceSymbol]?: TTypeName;
};
export type ExtractRefType<TResultItem, TQueryConfig extends QueryConfig> = TResultItem extends RefType<TQueryConfig["referenceSymbol"], infer TTypeName> ? Extract<TQueryConfig["schemaTypes"], {
    _type: TTypeName;
}> : TypeMismatchError<{
    error: "⛔️ Expected the object to be a reference type ⛔️";
    expected: RefType<TQueryConfig["referenceSymbol"], ExtractDocumentTypes<TQueryConfig["schemaTypes"]>>;
    actual: TResultItem;
}>;