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GraphQL Interfaces

An abstract type declaring fields that multiple object types implement, letting a field return heterogeneous results queried by shared fields; the server must resolve the concrete type at runtime (`__resolveType`), and clients use inline fragments for type-specific fields.

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An abstract type declaring fields that multiple object types implement, letting a field return heterogeneous results queried by shared fields; the server must resolve the concrete type at runtime (`__resolveType`), and clients use inline fragments for type-specific fields.

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