/** Identifier text safe to copy onto the operator's terminal; prose belongs in no ledger display field. */
export declare function isLedgerDisplayIdentifier(value: unknown): value is string;
/** The tighter bound for model-facing correlation labels that are copied onto every event. */
export declare function isLedgerCorrelationIdentifier(value: unknown): value is string;
/** A namespaced capability id with an ASCII, non-prose tail. Namespace wildcards remain representable. */
export declare function isLedgerCapabilityIdentifier(value: unknown): value is string;
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