/**
 * Parse npm package specifiers from the `plugins:` list into name + range.
 *
 * The leading `@` of a scope is NOT a separator: only the last `@` at a
 * non-zero index splits the package name from its semver range.
 *   "@skaile/provider-fly@^0.1.0" → { name: "@skaile/provider-fly", range: "^0.1.0" }
 *   "@skaile/connector-redis"     → { name: "@skaile/connector-redis", range: "*" }
 *   "lodash@^4"                   → { name: "lodash", range: "^4" }
 */
/** A parsed plugin specifier: package name plus a semver range (`"*"` when omitted). */
export interface PluginSpec {
    name: string;
    range: string;
}
/**
 * Parse a single plugin specifier into `{ name, range }`.
 *
 * @param spec - An npm specifier, e.g. `"@skaile/provider-fly@^0.1.0"` or `"lodash"`.
 * @returns The package name and semver range (range defaults to `"*"`).
 * @throws Error when the specifier is empty.
 */
export declare function parseSpec(spec: string): PluginSpec;
/** Convenience: just the package name of a specifier. */
export declare function specName(spec: string): string;
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