export type CreateMode = {
    kind: "file";
} | {
    kind: "sql";
} | {
    kind: "error";
    message: string;
};
/**
 * Decide whether `ds create` runs in file-upload or SQL mode (Feature #645).
 * Pure + exported so it is unit-testable without a backend.
 */
export declare function resolveCreateMode(opts: {
    file?: unknown;
    sql?: unknown;
    name?: unknown;
    domain?: unknown;
}): CreateMode;
/**
 * Parse one `--table-lookback` spec of the form `TABLE:COLUMN:DAYS`. Split from
 * the RIGHT so schema-qualified table names (`DB.SCHEMA.TABLE`) pass through
 * verbatim - column names can never contain `:` (server-validated identifiers).
 * Pure + exported so it is unit-testable without a backend.
 */
export declare function parseTableLookback(spec: string): {
    table: string;
    column: string;
    lookback_days: number;
};
/**
 * Validate `ds refresh-config` flags and build the PATCH body. Pure + exported
 * so it is unit-testable without a backend. Throws on invalid input; the action
 * surfaces the message via errorOutput. Sets the COMPLETE incremental config -
 * omitted fields fall back to server defaults (merge window 3, reconciliation
 * off, table lookback windows cleared).
 */
export declare function buildRefreshConfigBody(opts: {
    mode?: unknown;
    watermarkColumn?: unknown;
    watermarkType?: unknown;
    mergeKey?: unknown;
    lookback?: unknown;
    mergeWindow?: unknown;
    reconciliation?: unknown;
    tableLookback?: unknown;
}): Record<string, unknown>;