/**
 * Dimension helpers — lightweight semantic markers for dataset dimensions.
 *
 * @example
 * ```ts
 * import { dimension } from '@hypequery/serve';
 *
 * const Orders = dataset("orders", {
 *   source: "orders",
 *   dimensions: {
 *     id: dimension.string(),
 *     amount: dimension.number({ label: "Amount" }),
 *     createdAt: dimension.timestamp({ label: "Created At" }),
 *   },
 * });
 * ```
 */
import type { DimensionDefinition, DimensionOptions } from './types.js';
export declare const dimension: {
    readonly string: <TOptions extends DimensionOptions | undefined = undefined>(opts?: TOptions | undefined) => DimensionDefinition<"string"> & (TOptions extends DimensionOptions ? TOptions : object);
    readonly number: <TOptions extends DimensionOptions | undefined = undefined>(opts?: TOptions | undefined) => DimensionDefinition<"number"> & (TOptions extends DimensionOptions ? TOptions : object);
    readonly boolean: <TOptions extends DimensionOptions | undefined = undefined>(opts?: TOptions | undefined) => DimensionDefinition<"boolean"> & (TOptions extends DimensionOptions ? TOptions : object);
    readonly timestamp: <TOptions extends DimensionOptions | undefined = undefined>(opts?: TOptions | undefined) => DimensionDefinition<"timestamp"> & (TOptions extends DimensionOptions ? TOptions : object);
};
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