export interface Snapshot {
    version: 1;
    dialect: 'clickhouse';
    tables: SnapshotTable[];
    materializedViews: SnapshotMaterializedView[];
    dependencies: SnapshotDependencyEdge[];
    contentHash: string;
}
export interface SnapshotTable {
    name: string;
    columns: SnapshotColumn[];
    engine: SnapshotTableEngine;
    settings: Record<string, string>;
}
export interface SnapshotColumn {
    name: string;
    type: string;
    default?: SnapshotColumnDefault;
}
export type SnapshotColumnDefault = SnapshotLiteralColumnDefault | SnapshotSqlColumnDefault;
export interface SnapshotLiteralColumnDefault {
    kind: 'literal';
    value: string | number | boolean | null;
}
export interface SnapshotSqlColumnDefault {
    kind: 'sql';
    value: string;
}
export interface SnapshotTableEngine {
    type: string;
    orderBy: string[];
    partitionBy?: string;
    primaryKey: string[];
    sampleBy?: string;
}
export interface SnapshotMaterializedView {
    name: string;
    from: string;
    to?: string;
    select: string;
}
export interface SnapshotDependencyEdge {
    from: string;
    to: string;
    kind: 'table_to_materialized_view';
}
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