/**
 * Package type schema for purl type components.
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as Schema from "effect/Schema";
/**
 * Branded string schema for purl package types (e.g. "npm", "pypi", "maven").
 *
 * Enforces the purl spec character set and lowercase canonical form. To
 * accept inputs in any case, decode through {@link PackageUrlSchema} which
 * normalises the type before constructing parts.
 *
 * @experimental This API is unstable and may change without notice.
 */
export declare const PackageTypeSchema: Schema.brand<Schema.String, "PackageType">;
/**
 * Inferred type for purl package types.
 *
 * @experimental This API is unstable and may change without notice.
 */
export type PackageType = Schema.Schema.Type<typeof PackageTypeSchema>;
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