/**
 * Wraps SQL execution callbacks with request encoding and result decoding.
 *
 * `SqlSchema` is a small adapter between Effect Schema and SQL statements. Each
 * helper builds a function that accepts the decoded request type used by
 * application code, encodes it before calling `execute`, and decodes unknown
 * driver rows into the result schema. The helpers cover returning all rows, a
 * non-empty row list, the first row, an optional first row, or discarding the
 * SQL result for side-effect-only statements.
 *
 * @since 4.0.0
 */
import * as Arr from "../../Array.ts";
import * as Cause from "../../Cause.ts";
import * as Effect from "../../Effect.ts";
import type * as Option from "../../Option.ts";
import * as Schema from "../../Schema.ts";
/**
 * Builds a query function that encodes the request and decodes all result rows,
 * allowing an empty result set.
 *
 * **When to use**
 *
 * Use when you need to run a query that may return zero or more rows and
 * represent an empty result as an empty array.
 *
 * @see {@link findNonEmpty} for queries where an empty result is a failure
 *
 * @category constructors
 * @since 4.0.0
 */
export declare const findAll: <Req extends Schema.Top, Res extends Schema.Top, E, R>(options: {
    readonly Request: Req;
    readonly Result: Res;
    readonly execute: (request: Req["Encoded"]) => Effect.Effect<ReadonlyArray<unknown>, E, R>;
}) => (request: Req["Type"]) => Effect.Effect<Array<Res["Type"]>, E | Schema.SchemaError, Req["EncodingServices"] | Res["DecodingServices"] | R>;
/**
 * Builds a query function that encodes the request, decodes all result rows,
 * and fails with `NoSuchElementError` when the result set is empty.
 *
 * **When to use**
 *
 * Use when you need to run a query that must return at least one row and treat
 * an empty result as a failure.
 *
 * @see {@link findAll} for queries where an empty result should return an empty array
 *
 * @category constructors
 * @since 4.0.0
 */
export declare const findNonEmpty: <Req extends Schema.Top, Res extends Schema.Top, E, R>(options: {
    readonly Request: Req;
    readonly Result: Res;
    readonly execute: (request: Req["Encoded"]) => Effect.Effect<ReadonlyArray<unknown>, E, R>;
}) => (request: Req["Type"]) => Effect.Effect<Arr.NonEmptyArray<Res["Type"]>, E | Schema.SchemaError | Cause.NoSuchElementError, Req["EncodingServices"] | Res["DecodingServices"] | R>;
declare const void_: <Req extends Schema.Top, E, R>(options: {
    readonly Request: Req;
    readonly execute: (request: Req["Encoded"]) => Effect.Effect<unknown, E, R>;
}) => (request: Req["Type"]) => Effect.Effect<void, E | Schema.SchemaError, R | Req["EncodingServices"]>;
export { 
/**
 * Runs a sql query with a request schema and discard the result.
 *
 * @category constructors
 * @since 4.0.0
 */
void_ as void };
/**
 * Builds a query function that encodes the request, decodes the first result
 * row, and fails with `NoSuchElementError` when no rows are returned.
 *
 * @category constructors
 * @since 4.0.0
 */
export declare const findOne: <Req extends Schema.Top, Res extends Schema.Top, E, R>(options: {
    readonly Request: Req;
    readonly Result: Res;
    readonly execute: (request: Req["Encoded"]) => Effect.Effect<ReadonlyArray<unknown>, E, R>;
}) => (request: Req["Type"]) => Effect.Effect<Res["Type"], E | Schema.SchemaError | Cause.NoSuchElementError, R | Req["EncodingServices"] | Res["DecodingServices"]>;
/**
 * Builds a query function that encodes the request, decodes the first result row
 * as `Option.some`, and returns `Option.none` when no rows are returned.
 *
 * @category constructors
 * @since 4.0.0
 */
export declare const findOneOption: <Req extends Schema.Top, Res extends Schema.Top, E, R>(options: {
    readonly Request: Req;
    readonly Result: Res;
    readonly execute: (request: Req["Encoded"]) => Effect.Effect<ReadonlyArray<unknown>, E, R>;
}) => (request: Req["Type"]) => Effect.Effect<Option.Option<Res["Type"]>, E | Schema.SchemaError, R | Req["EncodingServices"] | Res["DecodingServices"]>;
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