import type { Parameter } from '@seamapi/blueprint';
/** An argument whose value does not fit the parameter's documented format. */
export interface CoercionIssue {
    name: string;
    given: unknown;
    /** What the parameter takes, e.g., `a number`. */
    expected: string;
}
type Coerced = {
    value: unknown;
} | {
    issue: string;
};
/**
 * Read each argument as the JSON value its parameter documents: booleans and
 * numbers become real booleans and numbers, lists split on commas, objects
 * parse as JSON. The request body is then the same whether a value arrived
 * as an argument, over stdin, or interactively.
 *
 * An argument naming no parameter passes through unchanged: unknown
 * arguments are reported by `assertKnownArgs`, not silently dropped here.
 */
export declare const coerceArgParams: (parameters: Parameter[], argParams: Record<string, unknown>) => {
    params: Record<string, unknown>;
    issues: CoercionIssue[];
};
export declare const coerceParam: (parameter: Parameter, given: unknown) => Coerced;
export {};