/**
 * Pure pre-commit gate reason machine.
 * (change: harden-memory-integrity-invariant)
 *
 * The commit gate maps the current decision-store state to exactly one outcome:
 * either it passes, or it blocks with one of the canonical {@link GATE_REASONS}.
 * That mapping used to live inline in the CLI command, tangled with stdout, git,
 * and TTY I/O — impossible to prove total or deterministic. Extracting it as this
 * pure function makes the machine a tested contract:
 *
 *   - **total**     — every reachable state yields exactly one outcome;
 *   - **deterministic / idempotent** — same state ⇒ same outcome, every time;
 *   - **deadlock-free** — no state maps to "blocked with no actionable reason."
 *
 * The CLI gathers the booleans (store counts, consolidation recency, staged git
 * changes) and builds the user-facing payload; this function is the single
 * arbiter of *which* reason applies.
 */
import { type GateReason } from '../../constants.js';
/** The minimal state the gate decision depends on. All inputs are data, not I/O. */
export interface GateState {
    /** Decisions in `approved` status (synced to specs not yet done). */
    approvedCount: number;
    /** Decisions in `verified` status (await human approval). */
    verifiedCount: number;
    /** Decisions in `draft` status (recorded, not yet consolidated). */
    draftCount: number;
    /** True when consolidation ran within the grace period — trust it found nothing. */
    consolidatedRecently: boolean;
    /** Count of non-inactive decisions (excludes rejected/synced/phantom). */
    activeCount: number;
    /** Whether the working directory is a git repo (gates the staged-source check). */
    isGitRepo: boolean;
    /** Whether staged changes include a recognized source file. */
    hasStagedSourceChanges: boolean;
}
export type GateOutcome = {
    gated: false;
    reason: null;
} | {
    gated: true;
    reason: GateReason;
};
/**
 * Classify a gate state into exactly one outcome. The priority order mirrors the
 * commit gate: a not-yet-synced approval blocks first, then verified decisions
 * awaiting approval, then unconsolidated drafts, then (only when nothing is
 * recorded and source is staged) the no-decisions prompt; otherwise it passes.
 */
export declare function classifyGateState(s: GateState): GateOutcome;
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