/**
 * Formatting a JSON value for display and for the clipboard: the inline primitive
 * text and its syntax class, the clipboard serialization, and the copy-failure
 * messages.
 */
/** Shown when the browser offers no clipboard at all (any non-secure context). */
export declare const NO_CLIPBOARD = "This browser will not write to the clipboard here. Select the value and copy it by hand.";
/** Shown when the write, or the value's serialization, is offered and refused. */
export declare function copyFailed(reason: unknown): string;
export declare function primitiveText(value: unknown): string;
/** The syntax class for a primitive's type; anything outside JSON reads as muted. */
export declare function primitiveClass(value: unknown): string;
/**
 * The value's pretty JSON for the clipboard. A value JSON cannot represent (a
 * function, a bare `undefined`) has no JSON, so its readable form is copied
 * rather than an empty string. A value JSON REFUSES (a `bigint`) throws here, and
 * the caller renders that as the same visible alert a blocked write is.
 */
export declare function serializeForCopy(value: unknown): string;
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