import { type FoldRule, type IdentKind } from "../ident/fold.js";
import type { QualifiedNameConfig } from "../ir/qualified-name.js";
export declare const BIGQUERY_FOLD_RULE: FoldRule;
/** project.dataset.table (cloud.google.com/bigquery/docs — "Qualifying table names").
 *  Normalized vocabulary: catalog = project, schema = dataset. Relation-path parts keep case in
 *  the identity key (this rule's tableCase: "preserve" — dataset and table names are
 *  case-sensitive). */
export declare const BIGQUERY_NAME_CONFIG: QualifiedNameConfig;
/** Fold an identifier to its BigQuery identity key. */
export declare function fold(raw: string, kind?: IdentKind): string;
/** Presentation twin: strip delimiters, no case change. */
export declare function displayName(raw: string): string;
export declare function foldTableName(parts: string[]): string[];
export declare function matchesSourceKey(key: string, rawPart: string): boolean;