import { AnyProcedure, ProcedureArgs } from './procedure';
import { AnyRouter, AnyRouterDef, Router } from './router';
import { inferTransformedProcedureOutput } from './shared';
export type inferRouterDef<TRouter extends AnyRouter> = TRouter extends Router<infer TParams> ? TParams extends AnyRouterDef<any> ? TParams : never : never;
export type inferRouterConfig<TRouter extends AnyRouter> = inferRouterDef<TRouter>['_config'];
export type inferRouterContext<TRouter extends AnyRouter> = inferRouterConfig<TRouter>['$types']['ctx'];
export type inferRouterError<TRouter extends AnyRouter> = inferRouterConfig<TRouter>['$types']['errorShape'];
export type inferRouterMeta<TRouter extends AnyRouter> = inferRouterConfig<TRouter>['$types']['meta'];
export declare const procedureTypes: readonly ["query", "mutation", "subscription"];
/**
 * @public
 */
export type ProcedureType = (typeof procedureTypes)[number];
export type inferHandlerInput<TProcedure extends AnyProcedure> = ProcedureArgs<inferProcedureParams<TProcedure>>;
export type inferProcedureInput<TProcedure extends AnyProcedure> = inferProcedureParams<TProcedure>['_input_in'];
export type inferProcedureParams<TProcedure> = TProcedure extends AnyProcedure ? TProcedure['_def'] : never;
export type inferProcedureOutput<TProcedure> = inferProcedureParams<TProcedure>['_output_out'];
type GetInferenceHelpers<TType extends 'input' | 'output', TRouter extends AnyRouter> = {
    [TKey in keyof TRouter['_def']['record']]: TRouter['_def']['record'][TKey] extends infer TRouterOrProcedure ? TRouterOrProcedure extends AnyRouter ? GetInferenceHelpers<TType, TRouterOrProcedure> : TRouterOrProcedure extends AnyProcedure ? TType extends 'input' ? inferProcedureInput<TRouterOrProcedure> : inferTransformedProcedureOutput<TRouter['_def']['_config'], TRouterOrProcedure> : never : never;
};
export type inferRouterInputs<TRouter extends AnyRouter> = GetInferenceHelpers<'input', TRouter>;
export type inferRouterOutputs<TRouter extends AnyRouter> = GetInferenceHelpers<'output', TRouter>;
/**
 * @internal
 */
export type IntersectionError<TKey extends string> = `The property '${TKey}' in your router collides with a built-in method, rename this router or procedure on your backend.`;
/**
 * @internal
 */
export type ProtectedIntersection<TType, TWith> = keyof TType & keyof TWith extends never ? TType & TWith : IntersectionError<string & keyof TType & keyof TWith>;
/**
 * @public
 */
export type Maybe<TType> = TType | null | undefined;
/**
 * @internal
 * @see https://github.com/ianstormtaylor/superstruct/blob/7973400cd04d8ad92bbdc2b6f35acbfb3c934079/src/utils.ts#L323-L325
 */
export type Simplify<TType> = TType extends any[] | Date ? TType : {
    [K in keyof TType]: TType[K];
};
/**
 * @public
 */
export type Dict<TType> = Record<string, TType | undefined>;
/**
 * @public
 */
export type MaybePromise<TType> = Promise<TType> | TType;
/**
 * @internal
 *
 * Creates a "lower-priority" type inference.
 * https://github.com/microsoft/TypeScript/issues/14829#issuecomment-322267089
 */
export type InferLast<TType> = TType & {
    [KeyType in keyof TType]: TType[KeyType];
};
/**
 * @public
 */
export type inferAsyncReturnType<TFunction extends (...args: any) => any> = Awaited<ReturnType<TFunction>>;
export type FilterKeys<TObj extends object, TFilter> = {
    [TKey in keyof TObj]: TObj[TKey] extends TFilter ? TKey : never;
}[keyof TObj];
/**
 * @internal
 */
export type Filter<TObj extends object, TFilter> = Pick<TObj, FilterKeys<TObj, TFilter>>;
/**
 * Unwrap return type if the type is a function (sync or async), else use the type as is
 * @internal
 */
export type Unwrap<TType> = TType extends (...args: any[]) => infer R ? Awaited<R> : TType;
/**
 * Makes the object recursively optional
 * @internal
 */
export type DeepPartial<TObject> = TObject extends object ? {
    [P in keyof TObject]?: DeepPartial<TObject[P]>;
} : TObject;
/**
 * Omits the key without removing a potential union
 * @internal
 */
export type DistributiveOmit<TObj, TKey extends keyof any> = TObj extends any ? Omit<TObj, TKey> : never;
export type WithoutIndexSignature<TObj> = {
    [K in keyof TObj as string extends K ? never : number extends K ? never : K]: TObj[K];
};
export {};
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