/**
 * Runtime registry of named ranges/cells (`TaxRate` → `Sheet1!$B$1`).
 *
 * Names are stored case-insensitively (Excel semantics) and resolved to
 * {@link Reference}s lazily by the {@link ReferenceResolver} at evaluation time.
 * Seeded from {@link ResolvedFormulaConfig.namedRanges} and mutable at runtime
 * through the public API, so a developer can define names without a full
 * reconfigure.
 *
 * @packageDocumentation
 */
/** A read-only view of a named range: its name and A1-notation target. */
export interface NamedRangeEntry {
    /** The name as originally registered (display casing preserved). */
    readonly name: string;
    /** The A1-notation target (e.g. `"B1"`, `"A1:C3"`). */
    readonly target: string;
}
export declare class NamedRangeManager {
    /** upper-cased name → { display name, A1 target }. */
    private readonly entries;
    /**
     * @param seed - Initial name → A1 target map (from configuration).
     */
    constructor(seed?: Readonly<Record<string, string>>);
    /**
     * Defines or replaces a named range.
     *
     * @param name   - The name (case-insensitive).
     * @param target - The A1-notation target it points at.
     */
    set(name: string, target: string): void;
    /**
     * Resolves a name to its A1 target.
     *
     * @param name - The name as written in a formula (case-insensitive).
     * @returns The target string, or `null` if undefined.
     */
    getTarget(name: string): string | null;
    /**
     * @param name - The name (case-insensitive).
     * @returns `true` if the name is defined.
     */
    has(name: string): boolean;
    /**
     * Removes a named range.
     *
     * @param name - The name (case-insensitive).
     * @returns `true` if a name was removed.
     */
    delete(name: string): boolean;
    /** @returns All defined named ranges (display casing preserved). */
    list(): NamedRangeEntry[];
    /** Removes every named range. */
    clear(): void;
}
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