export type AssertOp = "text" | "contains" | "matches" | "count" | "exists" | "absent";
export interface AssertSpec {
    raw: string;
    op: AssertOp;
    selector: string;
    expected: string;
}
export interface AssertResult {
    raw: string;
    op: AssertOp;
    selector: string;
    expected: string;
    /** Observed value: the text, or the match count as a string. */
    actual: string;
    found: boolean;
    outcome: "pass" | "fail";
    /** Populated when the spec itself was malformed (e.g. bad regex, bad count). */
    error?: string;
}
/** Parse one `--assert` expression. Throws with a clear message on malformed input. */
export declare function parseAssertSpec(raw: string): AssertSpec;
/**
 * Build the page evaluator. Serialized into the page by Playwright, so helpers
 * are nested. Comparison logic that does not touch the DOM (count comparators,
 * regex) also runs in-page to keep it one round trip.
 */
export declare function buildAssertCheck(): (specs: AssertSpec[]) => AssertResult[];
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