import type { ZodType } from "zod";
import type { ResultItem } from "./result-types";
import type { Simplify } from "./utils";
import type { ExtractProjectionResult } from "../commands/projection-types";
import type { QueryConfig } from "./schema-types";
/**
 * A Parser is either a generic mapping function, or a Zod schema.
 * It's used for run-time validation and/or transformation
 * of the results of a field.
 */
export type Parser<TInput = any, TOutput = any> = ParserFunction<TInput, TOutput> | ZodType<TOutput, any, TInput>;
/**
 * Same as `Parser`, except it allows for wider input types,
 * so that a value of `string` can be handled
 * by a parser that accepts `string | null` etc.
 */
export type ParserWithWidenedInput<TInput> = ParserFunction<TInput, any> | ZodType<any, any, any>;
export type InferParserInput<TParser extends Parser> = TParser extends Parser<infer TInput> ? TInput : never;
export type InferParserOutput<TParser extends Parser> = TParser extends Parser<any, infer TOutput> ? TOutput : never;
/**
 * A generic "parser" object which can take any input and output a parsed type.
 */
export type ParserObject<TInput = any, TOutput = any> = {
    parse: ParserFunction<TInput, TOutput>;
};
/**
 * A generic "parser" function which takes any input and outputs a parsed type.
 */
export type ParserFunction<TInput = any, TOutput = any> = (input: TInput) => TOutput;
export type ParserFunctionMaybe<TInput = any, TOutput = any> = null | ParserFunction<TInput, TOutput>;
export declare const GroqBuilderResultType: unique symbol;
export declare const GroqBuilderConfigType: unique symbol;
/**
 * IGroqBuilder is the bare minimum GroqBuilder, used to prevent circular references
 * @internal
 */
export type IGroqBuilder<TResult = unknown, TQueryConfig extends QueryConfig = QueryConfig> = {
    /**
     * Used to infer the Result types of a GroqBuilder.
     * This symbol is not used at runtime.
     * @internal
     */
    readonly [GroqBuilderResultType]: TResult;
    /**
     * Used to infer the TQueryConfig types of a GroqBuilder.
     * This symbol is not used at runtime
     * @internal
     */
    readonly [GroqBuilderConfigType]: TQueryConfig;
    /**
     * The GROQ query as a string
     */
    readonly query: string;
    /**
     * The parser function that should be used to parse result data
     */
    readonly parser: ParserFunction | null;
    /**
     * Parses and validates the query results, passing all data through the parsers.
     */
    readonly parse: ParserFunction;
};
/**
 * Extracts the Result type from a GroqBuilder query
 */
export type InferResultType<TGroqBuilder extends IGroqBuilder<any>> = TGroqBuilder extends IGroqBuilder<infer TResultType> ? TResultType : never;
/**
 * Extracts the Result type for a single item from a GroqBuilder query
 */
export type InferResultItem<TGroqBuilder extends IGroqBuilder<any>> = ResultItem.Infer<InferResultType<TGroqBuilder>>;
export type InferParametersType<TGroqBuilder extends IGroqBuilder<any>> = TGroqBuilder extends IGroqBuilder<any, infer TQueryConfig> ? TQueryConfig["parameters"] : never;
/**
 * Used to store the Result types of a Fragment.
 * This symbol is not used at runtime.
 */
export declare const FragmentInputTypeTag: unique symbol;
export type Fragment<TProjectionMap, TFragmentInput> = TProjectionMap & {
    readonly [FragmentInputTypeTag]?: TFragmentInput;
};
/**
 * Infers the result types of a fragment.
 * @example
 * const productFragment = q.fragment<Product>().project({
 *   name: q.string(),
 *   price: q.number(),
 * });
 *
 * type ProductFragment = InferFragmentType<typeof productFragment>;
 */
export type InferFragmentType<TFragment extends Fragment<any, any>> = TFragment extends Fragment<infer TProjectionMap, infer TFragmentInput> ? Simplify<ExtractProjectionResult<TFragmentInput, TProjectionMap>> : never;