/**
 * Value matcher types and helpers for the mocking protocol.
 * Shared by query, headers, body and url matching.
 */
/**
 * Generic value matcher, used by query, headers and body fields.
 * - `string` | `number`: match by exact equality (default).
 * - `{ $$contains }`: match strings that include the given substring.
 * - `{ $$regex }`: match strings against the given regular expression.
 */
export type ValueMatcher = string | number | {
    $$contains: string;
} | {
    $$regex: string;
};
/**
 * Value matcher accepted as input.
 * Like `ValueMatcher`, but also accepts a bare `RegExp` as a shorthand for `{ $$regex }`
 * (converted to a serializable string when building the schema).
 */
export type ValueMatcherInit = string | number | RegExp | {
    $$contains: string;
} | {
    $$regex: string;
};
/**
 * Recursive JSON value that may contain a `ValueMatcher` ({ $$contains } / { $$regex }) at any leaf.
 */
export type JsonMatcherValue = ValueMatcher | boolean | null | {
    [key: string]: JsonMatcherValue;
} | JsonMatcherValue[];
/**
 * Recursive JSON value accepted as input, allowing `ValueMatcherInit` (with `RegExp`) at any leaf.
 */
export type JsonMatcherValueInit = ValueMatcherInit | boolean | null | {
    [key: string]: JsonMatcherValueInit;
} | JsonMatcherValueInit[];
/**
 * Recursively converts bare `RegExp` values to the serializable `{ $$regex }` matcher
 * (string form `/pattern/flags`), so a matcher schema stays serializable over the wire.
 */
export declare function serializeRegExps(value: unknown): unknown;
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