import { FxError } from "@microsoft/teamsfx-api";
import { Result } from "neverthrow";
/** Package namespace. */
export type PackageKind = "create" | "modify";
/** Validation mode; only `load` compares this engine against `minEngineVersion`. */
export type ValidateMode = "build" | "load";
/** One content file's path plus extracted `{{token}}` names. */
export interface ContentFile {
    path: string;
    placeholders: string[];
}
/** JSON-schema validator face; `undefined` means valid. */
export type SchemaValidator = (data: unknown) => string | undefined;
/** Narrow validation port; schema, package, and engine-context data stay injected. */
export interface TemplatePackagePort {
    /** The package's parsed `descriptor.json`, or `undefined` when absent. */
    descriptor(): unknown | undefined;
    /** The package's parsed `questions.json`, or `undefined` when absent. */
    questions(): unknown | undefined;
    /** The package's parsed `pipeline.json`, or `undefined` when absent. */
    pipeline(): unknown | undefined;
    /** Each content file's path + `{{token}}` set, or `undefined` when `content/` is absent. */
    content(): ContentFile[] | undefined;
    /** The per-kind `selector.json` (parsed). */
    selector(kind: PackageKind): unknown;
    /** The JSON-schema validators under `templates/v4/schema/`. */
    schemas: {
        descriptor: SchemaValidator;
        question: SchemaValidator;
        selector: SchemaValidator;
    };
    /** The consuming engine's SemVer (the `load`-mode reverse gate). */
    engineVersion(): string;
    /** The closed caller-injected identifier names (`appName`, the `language` axis, …). */
    callerFloor(): string[];
    /** The `templateId`s whose `descriptor.json` is present in the artifact, per kind. */
    presentTemplateIds(kind: PackageKind): string[];
}
/** The validated package outcome. */
export interface ValidatedPackage {
    /** The parsed, schema-valid descriptor. */
    descriptor: Record<string, unknown>;
    /** The resolved reverse-gate floor (recorded on outcome / telemetry). */
    minEngineVersion: string;
    /** The validated content-file list (empty when `content/` is absent). */
    contentFiles: ContentFile[];
}
/** `UserError` name: a required package file (`descriptor`/`questions`/`pipeline`) is absent. */
export declare const VALIDATE_REQUIRED_FILE = "TemplatePackageRequiredFile";
/** `UserError` name: a package file failed its JSON schema. */
export declare const VALIDATE_SCHEMA = "TemplatePackageSchema";
/** `UserError` name: a content token has no producer, or a required var has no consumer. */
export declare const VALIDATE_PLACEHOLDER_DRIFT = "TemplatePackagePlaceholderDrift";
/** `UserError` name: a v4 selector route names a `templateId` with no present descriptor. */
export declare const VALIDATE_DANGLING_ROUTE = "TemplatePackageDanglingRoute";
/** `UserError` name: the same `templateId` is routed in both the create and modify selectors. */
export declare const VALIDATE_KIND_OVERLAP = "TemplatePackageKindOverlap";
/** `UserError` name: `descriptor.minEngineVersion` is missing (it is mandatory). */
export declare const VALIDATE_MIN_ENGINE_MISSING = "TemplatePackageMinEngineVersionMissing";
/** `UserError` name: `engineVersion < minEngineVersion` — the engine is too old. */
export declare const VALIDATE_ENGINE_TOO_OLD = "TemplatePackageEngineTooOld";
/** Validate one `<kind>/<id>` package before any content is rendered. */
export declare function validateTemplatePackage(kind: PackageKind, id: string, mode: ValidateMode, port: TemplatePackagePort): Result<ValidatedPackage, FxError>;
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