import { type z as zod } from "zod";
type ZodRefinementCtx = {
    issues: unknown[];
};
/**
 * Creates helper Zod schemas, e.g. `intStringSchema`.
 * @param z `z` from zod. You're required to pass it in, as this library does
 * not directly depend on zod.
 */
export declare function createSchemaHelpers(z: typeof zod): {
    intStringSchema: zod.ZodPipe<zod.ZodString, zod.ZodTransform<number, string>>;
    floatStringSchema: zod.ZodPipe<zod.ZodString, zod.ZodTransform<number, string>>;
    booleanStringSchema: zod.ZodPipe<zod.ZodEnum<{
        true: "true";
        false: "false";
    }>, zod.ZodTransform<boolean, "true" | "false">>;
};
/**
 * A Zod schema which accepts a string and transforms it to an int. Parsing
 * fails if the string does not represent a valid integer.
 * @param z `z` from zod. You're required to pass it in, as this library does
 * not directly depend on zod.
 */
export declare function createIntStringSchema(z: typeof zod): zod.ZodPipe<zod.ZodString, zod.ZodTransform<number, string>>;
/**
 * A Zod schema which accepts a string and transforms it to a float. Parsing
 * fails if the string does not represent a valid floating-point number.
 * @param z `z` from zod. You're required to pass it in, as this library does
 * not directly depend on zod.
 */
export declare function createFloatStringSchema(z: typeof zod): zod.ZodPipe<zod.ZodString, zod.ZodTransform<number, string>>;
/**
 * A Zod schema which accepts a string and transforms it to a boolean. Parsing
 * fails if the string is not exactly equal to "true" or "false".
 * @param z `z` from zod. You're required to pass it in, as this library does
 * not directly depend on zod.
 */
export declare function createBooleanStringSchema(z: typeof zod): zod.ZodPipe<zod.ZodEnum<{
    true: "true";
    false: "false";
}>, zod.ZodTransform<boolean, "true" | "false">>;
/**
 * Builds a Zod transformation function with a built-in try/catch, so any thrown
 * errors will be caught and added as a custom issue to the Zod context.
 *
 * Usage:
 *
 * ```ts
 * z.string().transform(buildZodTransform((val) => {
 *   // Do something that might throw.
 * }));
 * ```
 *
 * @param transformFn The transformation function to apply to the input.
 * @param errorMessage Optional error message to use if no error message can be
 * extracted from the thrown error.
 */
export declare function buildZodTransform<I, O>(transformFn: (input: I) => O, errorMessage?: string): (val: I, ctx: ZodRefinementCtx) => O;
export {};