import type Database from 'better-sqlite3';
import type { TaskStatus } from '../models/common';
/**
 * Context fields that can be provided on a task move.
 * — blocker removed per FS-SS-030-0004
 * — reviewer renamed to owner, review_notes removed per FR-URD-034-0006
 */
export interface MoveContext {
    session_key?: string;
    owner?: string;
}
/**
 * Compute the timestamp updates and field values to record for a transition.
 *
 * State-specific rules:
 * - In Progress: record session_key if provided, auto-set started_at
 * - In Review: record owner if provided (tasks.owner column)
 * - Done: auto-set completed_at
 *
 * Note: blocker context field removed per FS-SS-030-0004
 * Note: reviewer renamed to owner, review_notes removed per FR-URD-034-0006
 *
 * Returns the partial row updates to apply to the task.
 */
export declare function computeStateFields(current: TaskStatus, target: TaskStatus, context?: MoveContext): {
    columns: string[];
    values: unknown[];
};
/**
 * Apply state-specific field updates to a task in the database.
 *
 * @param db - Database connection (within a transaction)
 * @param taskId - The task to update
 * @param target - Target state being moved to
 * @param current - Current state
 * @param context - Optional context fields
 */
export declare function recordStateFields(db: Database.Database, taskId: string, target: TaskStatus, current: TaskStatus, context?: MoveContext): void;
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