/**
 * Dependency-free stack-trace parser.
 *
 * Turns a raw `Error.stack` string into structured frames. Handles the two
 * shapes we see across our supported browsers:
 *   - V8 / Chrome / Edge:  "    at fnName (file:line:col)"  /  "    at file:line:col"
 *   - Gecko / Safari:      "fnName@file:line:col"           /  "@file:line:col"
 *
 * Lines that don't carry a usable location (e.g. the leading message line, or
 * "at <anonymous>") are skipped. This is intentionally small and is covered by
 * fixture tests in __tests__/stack-parser.test.ts.
 */
export interface StackFrame {
    function: string | null;
    file: string | null;
    line: number | null;
    column: number | null;
}
/**
 * Parse an Error.stack string into frames. Returns [] for missing/empty input.
 */
export declare function parseStack(stack: string | null | undefined): StackFrame[];
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