import type { ModelSchema, SnapshotEntry, ViewSnapshotEntry, ForeignKeyDef } from './schema-introspector.js';
interface ColumnChange {
    model: string;
    column: string;
    type: string;
}
interface ColumnTypeChange {
    model: string;
    column: string;
    from: string;
    to: string;
}
interface ForeignKeyChange {
    model: string;
    column: string;
    references: ForeignKeyDef;
}
interface SnapshotDiff {
    hasChanges: boolean;
    addedModels: string[];
    removedModels: string[];
    addedColumns: ColumnChange[];
    removedColumns: ColumnChange[];
    changedColumns: ColumnTypeChange[];
    addedForeignKeys: ForeignKeyChange[];
    removedForeignKeys: ForeignKeyChange[];
}
interface ViewDiff {
    hasChanges: boolean;
    addedViews: string[];
    removedViews: string[];
    changedViews: string[];
}
interface GeneratedMigration {
    filename: string;
    content: string;
    snapshot: Record<string, SnapshotEntry | ViewSnapshotEntry>;
}
export declare function generateMigration(description?: string): Promise<GeneratedMigration | null>;
export declare function loadLatestSnapshot(migrationsPath: string): Promise<Record<string, unknown>>;
export declare function diffSnapshots(previous: Record<string, SnapshotEntry>, current: Record<string, SnapshotEntry>): SnapshotDiff;
export declare function detectSchemaDrift(schemas: Record<string, ModelSchema>, snapshot: Record<string, SnapshotEntry>): SnapshotDiff;
export declare function extractViewsFromSnapshot(snapshot: Record<string, unknown>): Record<string, ViewSnapshotEntry>;
export declare function diffViewSnapshots(previous: Record<string, ViewSnapshotEntry>, current: Record<string, ViewSnapshotEntry>): ViewDiff;
export {};