/**
 * Docker Compose → canonical IR for `archrad init --from docker-compose.yml`.
 * Deterministic mapping: services → nodes, depends_on + connection URLs → edges.
 */
export declare class DockerComposeInitError extends Error {
    constructor(message: string);
}
export type DockerComposeInitReport = {
    services: number;
    edges: number;
    warnings: string[];
};
export type DockerComposeInitOptions = {
    fileLabel?: string;
    /** Caller bindings for Compose `${VAR}` / `:-` defaults (e.g. merged dotenv via `archrad init --compose-env-file`). */
    interpolateFrom?: Record<string, string>;
    /** When true, merge `process.env` before `interpolateFrom` so explicit keys win. */
    interpolateFromProcessEnv?: boolean;
};
/**
 * Docker image repository path sans digest/tag.
 * Parses only the `:tag` on the **final** path segment so `registry:5000/group/img:tag` keeps the registry host.
 */
export declare function normalizedComposeRepositoryPath(imageRef: string): string;
/** Infer node.type from Docker image reference (before tag/digest). */
export declare function inferTypeFromImage(imageRef: string): {
    type: string;
    warning?: string;
};
/**
 * Compose interpolates `${VAR:-default}` at deploy time; static YAML parsers keep the literal.
 * Extract **`default`** so `depends_on: - ${_APP_DB_HOST:-mongodb}` maps to service key `mongodb`.
 */
export declare function composeDependsOnDefaultServiceKey(depEntry: string): string | null;
/**
 * Collect Traefik **`traefik.http.services.*.loadbalancer.*`** backend names plus router **`.service`** targets.
 */
export declare function enumerateTraefikHttpBackendRefs(labels: Record<string, string>): Set<string>;
/**
 * Optional hints merged into each node's `config` for architecture lint after `archrad init --from` Compose.
 * Convention (service `labels:`):
 * - `archrad.auth` — e.g. `bearer` (satisfies IR-LINT-MISSING-AUTH-010 on HTTP entries)
 * - `archrad.auth_required: "false"` — explicit public entry (same rule opt-out)
 * - `archrad.health_url` or `archrad.health.url` — e.g. `/health` (helps IR-LINT-NO-HEALTHCHECK-003)
 * - `archrad.http.method` — optional, e.g. `GET`
 */
export declare function archradLintHintsFromLabels(labels: Record<string, string>): Record<string, unknown>;
/** Extract hostname from common DB/cache/messaging URLs for cross-service edges. */
export declare function connectionUrlHost(raw: string): string | null;
/**
 * Parses plain **hostname** (`db`, `redis`, `postgresql:5432`) from env values for Compose edge inference.
 * Returns **`null`** for URLs (`postgres://`), paths, templating shells, localhost.
 */
export declare function composePlainEnvHostname(val: string): string | null;
/**
 * When Compose **`healthcheck.test`** invokes curl/wget (or URLs) against a readiness path,
 * derive **`config.url`** / **`method`** hints so IR-LINT-NO-HEALTHCHECK-003 can clear without OpenAPI ingestion.
 *
 * Compose **`labels`** (`archrad.health_url`) still win when merged afterward.
 */
export declare function composeHealthcheckToLintHints(healthRaw: unknown): Record<string, unknown>;
/**
 * Parse Docker Compose YAML and return canonical IR `{ graph: { metadata, nodes, edges } }`.
 */
export declare function dockerComposeToCanonicalIr(yamlText: string, options?: DockerComposeInitOptions): {
    ir: Record<string, unknown>;
    report: DockerComposeInitReport;
    verboseLines: string[];
};
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