/**
 * Tier A storage-contract static checks (ADR-0042).
 *
 * The enforceable-now tier of the tool storage contract: a tool package must
 * not carry schema-mutation capability against the host-owned SQLite store —
 * no DDL, no migration runners, no direct datastore-file paths, no imports of
 * the datastore package's private schema/migration modules. Scans the staged
 * package's OWN source files (not its node_modules) with string patterns;
 * a guardrail, not the only lock — the stronger guarantee is that the Tool
 * runtime context never exposes raw schema-mutation capabilities.
 *
 * Pattern-family note: the DDL list deliberately mirrors the
 * `restrict-raw-db-access` fitness check's vocabulary (checks-universal,
 * `src/checks/architecture/restrict-raw-db-access.ts`). The two lists are kept
 * from drifting by a parity test (`tools-validate.test.ts`), NOT by a cli →
 * check-pack production import (which would couple the host to a tool's pack).
 */
/** One Tier A violation: where, what matched, and which contract clause. */
export interface StorageFinding {
    /** Path relative to the scanned package dir. */
    readonly file: string;
    /** 1-based line of the first match. */
    readonly line: number;
    readonly matched: string;
    readonly clause: string;
}
/** The Tier A pattern families (exported for the drift-parity test). */
export declare const TIER_A_PATTERNS: readonly {
    readonly pattern: RegExp;
    readonly clause: string;
}[];
/**
 * Scan one staged package dir for Tier A storage-contract violations.
 * Returns findings (empty = section passes). Pure file reads; runs no code.
 */
export declare function runStorageContractChecks(stagedDir: string): readonly StorageFinding[];
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