import { TSESTree } from '@typescript-eslint/types';
/**
 * Methods of the TranslationBundle interface from `@jupyterlab/translation`.
 */
export declare const BUNDLE_METHODS: Set<string>;
/**
 * Property names under which a translation bundle may be stored so that the
 * string extractor recognizes its usages (this.trans, this._trans,
 * this.props.trans, props.trans).
 * See jupyterlab.readthedocs.io/en/stable/extension/internationalization.html#rules
 */
export declare const BUNDLE_PROPERTY_NAMES: Set<string>;
/**
 * The only accepted name for a local variable holding a translation bundle.
 */
export declare const BUNDLE_VARIABLE_NAME = "trans";
/**
 * For each bundle method, the argument indices the string extractor reads
 * straight from the source and must therefore be static text.
 *
 * The `domain` argument of `dcnpgettext` is deliberately left out: it selects a
 * catalog at runtime, it is not extracted message text.
 */
export declare const STATIC_ARGUMENT_INDICES: Record<string, readonly number[]>;
/**
 * Skips TypeScript-only and optional-chaining wrapper nodes so the underlying
 * expression can be inspected.
 */
export declare function unwrapExpression(node: TSESTree.Node): TSESTree.Node;
/**
 * Returns true when a member expression names one of the exact targets the
 * string extractor recognizes as a translation bundle:
 * this.trans, this._trans, props.trans, this.props.trans.
 * See jupyterlab.readthedocs.io/en/stable/extension/internationalization.html#rules
 */
export declare function isRecognizedBundleMember(node: TSESTree.MemberExpression): boolean;
/**
 * Returns true if the node is a recognized JupyterLab translation bundle:
 * trans | this.trans | this._trans | props.trans | this.props.trans
 *
 * TypeScript-only wrappers are seen through, so `this.trans!` and
 * `(trans as any)` are recognized too — they still name the same bundle.
 * See jupyterlab.readthedocs.io/en/stable/extension/internationalization.html#rules
 */
export declare function isTransBundle(node: TSESTree.Node): boolean;