/**
 * DeukPack serialization warnings — column missing or unknown field.
 * Call from generated or hand-written read loops (e.g. default case in switch on field.id).
 */
export type SerializationWarnCallback = (structName: string, fieldIdOrName: string | number, fieldName?: string) => void;
/**
 * Set custom logger for unknown-field warnings. Default: console.warn.
 */
export declare function setOnUnknownField(cb: SerializationWarnCallback | null): void;
/**
 * Set custom logger for missing-required-field warnings. Default: console.warn.
 */
export declare function setOnMissingRequired(cb: ((structName: string, fieldName: string) => void) | null): void;
/**
 * Emit warning when stream contains a field not in the current struct schema (e.g. default case in read switch).
 */
export declare function logUnknownField(structName: string, fieldId: number, fieldName?: string): void;
/**
 * Emit warning when a required field was not present in the stream.
 */
export declare function logMissingRequiredField(structName: string, fieldName: string): void;
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